Home / 103,435.60-155,153.40-50,834.20

Finding the Fourth Proportional to 103,435.60, 155,153.40 and 50,834.20

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Solution

The fourth proportional to 103,435.60, 155,153.40 and 50,834.20 is: 76,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435.60 : 155,153.40 = 50,834.20 : x
  2. Step 2: Convert to fraction form
    103,435.60/155,153.40 = 50,834.20/x
  3. Step 3: Cross multiply
    103,435.60x = 155,153.40 × 50,834.20
  4. Step 4: Simplify right side
    103,435.60x = 7,887,098,966.28
  5. Step 5: Solve for x
    x = 7,887,098,966.28/103,435.60
  6. Step 6: Final answer
    x = 76,251.30

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1.5x scale

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.