Home / 157,587.20-236,380.80-155,254.40

Finding the Fourth Proportional to 157,587.20, 236,380.80 and 155,254.40

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Solution

The fourth proportional to 157,587.20, 236,380.80 and 155,254.40 is: 232,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.20 : 236,380.80 = 155,254.40 : x
  2. Step 2: Convert to fraction form
    157,587.20/236,380.80 = 155,254.40/x
  3. Step 3: Cross multiply
    157,587.20x = 236,380.80 × 155,254.40
  4. Step 4: Simplify right side
    157,587.20x = 36,699,159,275.52
  5. Step 5: Solve for x
    x = 36,699,159,275.52/157,587.20
  6. Step 6: Final answer
    x = 232,881.60

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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.