Home / 157,612.20-236,439.90-52,420.20

Finding the Fourth Proportional to 157,612.20, 236,439.90 and 52,420.20

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Solution

The fourth proportional to 157,612.20, 236,439.90 and 52,420.20 is: 78,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.20 : 236,439.90 = 52,420.20 : x
  2. Step 2: Convert to fraction form
    157,612.20/236,439.90 = 52,420.20/x
  3. Step 3: Cross multiply
    157,612.20x = 236,439.90 × 52,420.20
  4. Step 4: Simplify right side
    157,612.20x = 12,394,226,845.98
  5. Step 5: Solve for x
    x = 12,394,226,845.98/157,612.20
  6. Step 6: Final answer
    x = 78,637.48

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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.