Home / 102,575.10-153,862.65-47,279.10

Finding the Fourth Proportional to 102,575.10, 153,862.65 and 47,279.10

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Solution

The fourth proportional to 102,575.10, 153,862.65 and 47,279.10 is: 70,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,575.10 : 153,862.65 = 47,279.10 : x
  2. Step 2: Convert to fraction form
    102,575.10/153,862.65 = 47,279.10/x
  3. Step 3: Cross multiply
    102,575.10x = 153,862.65 × 47,279.10
  4. Step 4: Simplify right side
    102,575.10x = 7,274,487,615.62
  5. Step 5: Solve for x
    x = 7,274,487,615.62/102,575.10
  6. Step 6: Final answer
    x = 70,918.65

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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.