Home / 149,117.12-223,691.21-47,889.60

Finding the Fourth Proportional to 149,117.12, 223,691.21 and 47,889.60

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Solution

The fourth proportional to 149,117.12, 223,691.21 and 47,889.60 is: 71,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,117.12 : 223,691.21 = 47,889.60 : x
  2. Step 2: Convert to fraction form
    149,117.12/223,691.21 = 47,889.60/x
  3. Step 3: Cross multiply
    149,117.12x = 223,691.21 × 47,889.60
  4. Step 4: Simplify right side
    149,117.12x = 10,712,482,570.42
  5. Step 5: Solve for x
    x = 10,712,482,570.42/149,117.12
  6. Step 6: Final answer
    x = 71,839.39

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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.