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Finding the Fourth Proportional to 177,430.40, 266,145.60 and 159,934.40

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Solution

The fourth proportional to 177,430.40, 266,145.60 and 159,934.40 is: 239,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,430.40 : 266,145.60 = 159,934.40 : x
  2. Step 2: Convert to fraction form
    177,430.40/266,145.60 = 159,934.40/x
  3. Step 3: Cross multiply
    177,430.40x = 266,145.60 × 159,934.40
  4. Step 4: Simplify right side
    177,430.40x = 42,565,836,848.64
  5. Step 5: Solve for x
    x = 42,565,836,848.64/177,430.40
  6. Step 6: Final answer
    x = 239,901.60

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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.