Home / 177,831.20-266,746.80-147,111.20

Finding the Fourth Proportional to 177,831.20, 266,746.80 and 147,111.20

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Solution

The fourth proportional to 177,831.20, 266,746.80 and 147,111.20 is: 220,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,831.20 : 266,746.80 = 147,111.20 : x
  2. Step 2: Convert to fraction form
    177,831.20/266,746.80 = 147,111.20/x
  3. Step 3: Cross multiply
    177,831.20x = 266,746.80 × 147,111.20
  4. Step 4: Simplify right side
    177,831.20x = 39,241,441,844.16
  5. Step 5: Solve for x
    x = 39,241,441,844.16/177,831.20
  6. Step 6: Final answer
    x = 220,666.80

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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.