Home / 132,585.18-182,970.30-72,159.18

Finding the Fourth Proportional to 132,585.18, 182,970.30 and 72,159.18

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Solution

The fourth proportional to 132,585.18, 182,970.30 and 72,159.18 is: 99,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,585.18 : 182,970.30 = 72,159.18 : x
  2. Step 2: Convert to fraction form
    132,585.18/182,970.30 = 72,159.18/x
  3. Step 3: Cross multiply
    132,585.18x = 182,970.30 × 72,159.18
  4. Step 4: Simplify right side
    132,585.18x = 13,202,986,812.35
  5. Step 5: Solve for x
    x = 13,202,986,812.35/132,585.18
  6. Step 6: Final answer
    x = 99,581.17

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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.