Home / 132,421.59-182,618.01-102,159.18

Finding the Fourth Proportional to 132,421.59, 182,618.01 and 102,159.18

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Solution

The fourth proportional to 132,421.59, 182,618.01 and 102,159.18 is: 140,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.59 : 182,618.01 = 102,159.18 : x
  2. Step 2: Convert to fraction form
    132,421.59/182,618.01 = 102,159.18/x
  3. Step 3: Cross multiply
    132,421.59x = 182,618.01 × 102,159.18
  4. Step 4: Simplify right side
    132,421.59x = 18,656,106,154.83
  5. Step 5: Solve for x
    x = 18,656,106,154.83/132,421.59
  6. Step 6: Final answer
    x = 140,884.17

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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.