Home / 220,885.52-304,814.02-134,988.21

Finding the Fourth Proportional to 220,885.52, 304,814.02 and 134,988.21

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Solution

The fourth proportional to 220,885.52, 304,814.02 and 134,988.21 is: 186,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,885.52 : 304,814.02 = 134,988.21 : x
  2. Step 2: Convert to fraction form
    220,885.52/304,814.02 = 134,988.21/x
  3. Step 3: Cross multiply
    220,885.52x = 304,814.02 × 134,988.21
  4. Step 4: Simplify right side
    220,885.52x = 41,146,298,267.76
  5. Step 5: Solve for x
    x = 41,146,298,267.76/220,885.52
  6. Step 6: Final answer
    x = 186,278.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.