Home / 117,006.60-175,509.90-38,128.80

Finding the Fourth Proportional to 117,006.60, 175,509.90 and 38,128.80

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Solution

The fourth proportional to 117,006.60, 175,509.90 and 38,128.80 is: 57,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.60 : 175,509.90 = 38,128.80 : x
  2. Step 2: Convert to fraction form
    117,006.60/175,509.90 = 38,128.80/x
  3. Step 3: Cross multiply
    117,006.60x = 175,509.90 × 38,128.80
  4. Step 4: Simplify right side
    117,006.60x = 6,691,981,875.12
  5. Step 5: Solve for x
    x = 6,691,981,875.12/117,006.60
  6. Step 6: Final answer
    x = 57,193.20

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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.