Home / 108,001.95-162,002.93-66,472.35

Finding the Fourth Proportional to 108,001.95, 162,002.93 and 66,472.35

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Solution

The fourth proportional to 108,001.95, 162,002.93 and 66,472.35 is: 99,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.95 : 162,002.93 = 66,472.35 : x
  2. Step 2: Convert to fraction form
    108,001.95/162,002.93 = 66,472.35/x
  3. Step 3: Cross multiply
    108,001.95x = 162,002.93 × 66,472.35
  4. Step 4: Simplify right side
    108,001.95x = 10,768,715,131.62
  5. Step 5: Solve for x
    x = 10,768,715,131.62/108,001.95
  6. Step 6: Final answer
    x = 99,708.53

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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.