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Finding the Fourth Proportional to 540,111.12, 810,166.95 and 140,750.88

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Solution

The fourth proportional to 540,111.12, 810,166.95 and 140,750.88 is: 211,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,111.12 : 810,166.95 = 140,750.88 : x
  2. Step 2: Convert to fraction form
    540,111.12/810,166.95 = 140,750.88/x
  3. Step 3: Cross multiply
    540,111.12x = 810,166.95 × 140,750.88
  4. Step 4: Simplify right side
    540,111.12x = 114,031,711,159.42
  5. Step 5: Solve for x
    x = 114,031,711,159.42/540,111.12
  6. Step 6: Final answer
    x = 211,126.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.