Home / 157,445.10-236,167.65-137,762.10

Finding the Fourth Proportional to 157,445.10, 236,167.65 and 137,762.10

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Solution

The fourth proportional to 157,445.10, 236,167.65 and 137,762.10 is: 206,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.10 : 236,167.65 = 137,762.10 : x
  2. Step 2: Convert to fraction form
    157,445.10/236,167.65 = 137,762.10/x
  3. Step 3: Cross multiply
    157,445.10x = 236,167.65 × 137,762.10
  4. Step 4: Simplify right side
    157,445.10x = 32,534,951,416.07
  5. Step 5: Solve for x
    x = 32,534,951,416.07/157,445.10
  6. Step 6: Final answer
    x = 206,643.15

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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.