Home / 155,470.84-233,206.25-85,793.02

Finding the Fourth Proportional to 155,470.84, 233,206.25 and 85,793.02

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Solution

The fourth proportional to 155,470.84, 233,206.25 and 85,793.02 is: 128,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,470.84 : 233,206.25 = 85,793.02 : x
  2. Step 2: Convert to fraction form
    155,470.84/233,206.25 = 85,793.02/x
  3. Step 3: Cross multiply
    155,470.84x = 233,206.25 × 85,793.02
  4. Step 4: Simplify right side
    155,470.84x = 20,007,468,470.38
  5. Step 5: Solve for x
    x = 20,007,468,470.38/155,470.84
  6. Step 6: Final answer
    x = 128,689.52

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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.