Home / 132,931.53-198,928.91-83,035.13

Finding the Fourth Proportional to 132,931.53, 198,928.91 and 83,035.13

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Solution

The fourth proportional to 132,931.53, 198,928.91 and 83,035.13 is: 124,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.53 : 198,928.91 = 83,035.13 : x
  2. Step 2: Convert to fraction form
    132,931.53/198,928.91 = 83,035.13/x
  3. Step 3: Cross multiply
    132,931.53x = 198,928.91 × 83,035.13
  4. Step 4: Simplify right side
    132,931.53x = 16,518,086,492.79
  5. Step 5: Solve for x
    x = 16,518,086,492.79/132,931.53
  6. Step 6: Final answer
    x = 124,260.11

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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.