Home / 115,440.40-173,209.20-62,887.60

Finding the Fourth Proportional to 115,440.40, 173,209.20 and 62,887.60

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Solution

The fourth proportional to 115,440.40, 173,209.20 and 62,887.60 is: 94,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.40 : 173,209.20 = 62,887.60 : x
  2. Step 2: Convert to fraction form
    115,440.40/173,209.20 = 62,887.60/x
  3. Step 3: Cross multiply
    115,440.40x = 173,209.20 × 62,887.60
  4. Step 4: Simplify right side
    115,440.40x = 10,892,710,885.92
  5. Step 5: Solve for x
    x = 10,892,710,885.92/115,440.40
  6. Step 6: Final answer
    x = 94,357.88

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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.