Home / 155,432.70-233,148.51-66,628.62

Finding the Fourth Proportional to 155,432.70, 233,148.51 and 66,628.62

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Solution

The fourth proportional to 155,432.70, 233,148.51 and 66,628.62 is: 99,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,432.70 : 233,148.51 = 66,628.62 : x
  2. Step 2: Convert to fraction form
    155,432.70/233,148.51 = 66,628.62/x
  3. Step 3: Cross multiply
    155,432.70x = 233,148.51 × 66,628.62
  4. Step 4: Simplify right side
    155,432.70x = 15,534,363,476.36
  5. Step 5: Solve for x
    x = 15,534,363,476.36/155,432.70
  6. Step 6: Final answer
    x = 99,942.70

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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.