Home / 156,981.90-235,472.85-155,505.68

Finding the Fourth Proportional to 156,981.90, 235,472.85 and 155,505.68

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Solution

The fourth proportional to 156,981.90, 235,472.85 and 155,505.68 is: 233,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,981.90 : 235,472.85 = 155,505.68 : x
  2. Step 2: Convert to fraction form
    156,981.90/235,472.85 = 155,505.68/x
  3. Step 3: Cross multiply
    156,981.90x = 235,472.85 × 155,505.68
  4. Step 4: Simplify right side
    156,981.90x = 36,617,364,483.42
  5. Step 5: Solve for x
    x = 36,617,364,483.42/156,981.90
  6. Step 6: Final answer
    x = 233,258.51

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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.