Home / 134,088.71-201,217.92-74,963.17

Finding the Fourth Proportional to 134,088.71, 201,217.92 and 74,963.17

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Solution

The fourth proportional to 134,088.71, 201,217.92 and 74,963.17 is: 112,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,088.71 : 201,217.92 = 74,963.17 : x
  2. Step 2: Convert to fraction form
    134,088.71/201,217.92 = 74,963.17/x
  3. Step 3: Cross multiply
    134,088.71x = 201,217.92 × 74,963.17
  4. Step 4: Simplify right side
    134,088.71x = 15,083,931,763.10
  5. Step 5: Solve for x
    x = 15,083,931,763.10/134,088.71
  6. Step 6: Final answer
    x = 112,492.18

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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.