Home / 155,518.18-232,995.66-71,348.74

Finding the Fourth Proportional to 155,518.18, 232,995.66 and 71,348.74

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Solution

The fourth proportional to 155,518.18, 232,995.66 and 71,348.74 is: 106,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.18 : 232,995.66 = 71,348.74 : x
  2. Step 2: Convert to fraction form
    155,518.18/232,995.66 = 71,348.74/x
  3. Step 3: Cross multiply
    155,518.18x = 232,995.66 × 71,348.74
  4. Step 4: Simplify right side
    155,518.18x = 16,623,946,766.47
  5. Step 5: Solve for x
    x = 16,623,946,766.47/155,518.18
  6. Step 6: Final answer
    x = 106,893.91

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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.