Home / 117,177.45-175,765.90-28,430.88

Finding the Fourth Proportional to 117,177.45, 175,765.90 and 28,430.88

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Solution

The fourth proportional to 117,177.45, 175,765.90 and 28,430.88 is: 42,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.45 : 175,765.90 = 28,430.88 : x
  2. Step 2: Convert to fraction form
    117,177.45/175,765.90 = 28,430.88/x
  3. Step 3: Cross multiply
    117,177.45x = 175,765.90 × 28,430.88
  4. Step 4: Simplify right side
    117,177.45x = 4,997,178,534.10
  5. Step 5: Solve for x
    x = 4,997,178,534.10/117,177.45
  6. Step 6: Final answer
    x = 42,646.25

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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.