Home / 104,024.40-156,036.60-79,141.20

Finding the Fourth Proportional to 104,024.40, 156,036.60 and 79,141.20

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Solution

The fourth proportional to 104,024.40, 156,036.60 and 79,141.20 is: 118,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,024.40 : 156,036.60 = 79,141.20 : x
  2. Step 2: Convert to fraction form
    104,024.40/156,036.60 = 79,141.20/x
  3. Step 3: Cross multiply
    104,024.40x = 156,036.60 × 79,141.20
  4. Step 4: Simplify right side
    104,024.40x = 12,348,923,767.92
  5. Step 5: Solve for x
    x = 12,348,923,767.92/104,024.40
  6. Step 6: Final answer
    x = 118,711.80

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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.