Home / 132,309.60-182,574.08-74,937.47

Finding the Fourth Proportional to 132,309.60, 182,574.08 and 74,937.47

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Solution

The fourth proportional to 132,309.60, 182,574.08 and 74,937.47 is: 103,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,309.60 : 182,574.08 = 74,937.47 : x
  2. Step 2: Convert to fraction form
    132,309.60/182,574.08 = 74,937.47/x
  3. Step 3: Cross multiply
    132,309.60x = 182,574.08 × 74,937.47
  4. Step 4: Simplify right side
    132,309.60x = 13,681,639,642.78
  5. Step 5: Solve for x
    x = 13,681,639,642.78/132,309.60
  6. Step 6: Final answer
    x = 103,406.25

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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.