Home / 155,622.60-233,165.10-72,345.80

Finding the Fourth Proportional to 155,622.60, 233,165.10 and 72,345.80

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Solution

The fourth proportional to 155,622.60, 233,165.10 and 72,345.80 is: 108,393.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,622.60 : 233,165.10 = 72,345.80 : x
  2. Step 2: Convert to fraction form
    155,622.60/233,165.10 = 72,345.80/x
  3. Step 3: Cross multiply
    155,622.60x = 233,165.10 × 72,345.80
  4. Step 4: Simplify right side
    155,622.60x = 16,868,515,691.58
  5. Step 5: Solve for x
    x = 16,868,515,691.58/155,622.60
  6. Step 6: Final answer
    x = 108,393.74

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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.