Home / 149,102.60-223,481.10-60,312.20

Finding the Fourth Proportional to 149,102.60, 223,481.10 and 60,312.20

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Solution

The fourth proportional to 149,102.60, 223,481.10 and 60,312.20 is: 90,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,102.60 : 223,481.10 = 60,312.20 : x
  2. Step 2: Convert to fraction form
    149,102.60/223,481.10 = 60,312.20/x
  3. Step 3: Cross multiply
    149,102.60x = 223,481.10 × 60,312.20
  4. Step 4: Simplify right side
    149,102.60x = 13,478,636,799.42
  5. Step 5: Solve for x
    x = 13,478,636,799.42/149,102.60
  6. Step 6: Final answer
    x = 90,398.40

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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.