Home / 155,831.95-234,170.00-84,807.10

Finding the Fourth Proportional to 155,831.95, 234,170.00 and 84,807.10

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Solution

The fourth proportional to 155,831.95, 234,170.00 and 84,807.10 is: 127,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,831.95 : 234,170.00 = 84,807.10 : x
  2. Step 2: Convert to fraction form
    155,831.95/234,170.00 = 84,807.10/x
  3. Step 3: Cross multiply
    155,831.95x = 234,170.00 × 84,807.10
  4. Step 4: Simplify right side
    155,831.95x = 19,859,279,217.74
  5. Step 5: Solve for x
    x = 19,859,279,217.74/155,831.95
  6. Step 6: Final answer
    x = 127,440.36

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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.