Home / 102,449.47-153,586.54-39,314.90

Finding the Fourth Proportional to 102,449.47, 153,586.54 and 39,314.90

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Solution

The fourth proportional to 102,449.47, 153,586.54 and 39,314.90 is: 58,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,449.47 : 153,586.54 = 39,314.90 : x
  2. Step 2: Convert to fraction form
    102,449.47/153,586.54 = 39,314.90/x
  3. Step 3: Cross multiply
    102,449.47x = 153,586.54 × 39,314.90
  4. Step 4: Simplify right side
    102,449.47x = 6,038,239,461.45
  5. Step 5: Solve for x
    x = 6,038,239,461.45/102,449.47
  6. Step 6: Final answer
    x = 58,938.71

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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.