Home / 157,432.10-236,148.15-148,902.80

Finding the Fourth Proportional to 157,432.10, 236,148.15 and 148,902.80

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Solution

The fourth proportional to 157,432.10, 236,148.15 and 148,902.80 is: 223,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432.10 : 236,148.15 = 148,902.80 : x
  2. Step 2: Convert to fraction form
    157,432.10/236,148.15 = 148,902.80/x
  3. Step 3: Cross multiply
    157,432.10x = 236,148.15 × 148,902.80
  4. Step 4: Simplify right side
    157,432.10x = 35,163,120,749.82
  5. Step 5: Solve for x
    x = 35,163,120,749.82/157,432.10
  6. Step 6: Final answer
    x = 223,354.20

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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.