Home / 131,973.38-182,080.45-74,607.16

Finding the Fourth Proportional to 131,973.38, 182,080.45 and 74,607.16

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Solution

The fourth proportional to 131,973.38, 182,080.45 and 74,607.16 is: 102,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,973.38 : 182,080.45 = 74,607.16 : x
  2. Step 2: Convert to fraction form
    131,973.38/182,080.45 = 74,607.16/x
  3. Step 3: Cross multiply
    131,973.38x = 182,080.45 × 74,607.16
  4. Step 4: Simplify right side
    131,973.38x = 13,584,505,266.02
  5. Step 5: Solve for x
    x = 13,584,505,266.02/131,973.38
  6. Step 6: Final answer
    x = 102,933.68

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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.