Home / 155,458.24-214,432.32-91,792.24

Finding the Fourth Proportional to 155,458.24, 214,432.32 and 91,792.24

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Solution

The fourth proportional to 155,458.24, 214,432.32 and 91,792.24 is: 126,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.24 : 214,432.32 = 91,792.24 : x
  2. Step 2: Convert to fraction form
    155,458.24/214,432.32 = 91,792.24/x
  3. Step 3: Cross multiply
    155,458.24x = 214,432.32 × 91,792.24
  4. Step 4: Simplify right side
    155,458.24x = 19,683,222,981.20
  5. Step 5: Solve for x
    x = 19,683,222,981.20/155,458.24
  6. Step 6: Final answer
    x = 126,614.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.