Home / 157,515.90-236,273.85-155,442.30

Finding the Fourth Proportional to 157,515.90, 236,273.85 and 155,442.30

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Solution

The fourth proportional to 157,515.90, 236,273.85 and 155,442.30 is: 233,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.90 : 236,273.85 = 155,442.30 : x
  2. Step 2: Convert to fraction form
    157,515.90/236,273.85 = 155,442.30/x
  3. Step 3: Cross multiply
    157,515.90x = 236,273.85 × 155,442.30
  4. Step 4: Simplify right side
    157,515.90x = 36,726,950,673.86
  5. Step 5: Solve for x
    x = 36,726,950,673.86/157,515.90
  6. Step 6: Final answer
    x = 233,163.45

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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.