Home / 118,214.20-177,177.30-51,513.40

Finding the Fourth Proportional to 118,214.20, 177,177.30 and 51,513.40

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Solution

The fourth proportional to 118,214.20, 177,177.30 and 51,513.40 is: 77,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.20 : 177,177.30 = 51,513.40 : x
  2. Step 2: Convert to fraction form
    118,214.20/177,177.30 = 51,513.40/x
  3. Step 3: Cross multiply
    118,214.20x = 177,177.30 × 51,513.40
  4. Step 4: Simplify right side
    118,214.20x = 9,127,005,125.82
  5. Step 5: Solve for x
    x = 9,127,005,125.82/118,214.20
  6. Step 6: Final answer
    x = 77,207.35

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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.