Home / 127,218.48-175,565.52-70,634.40

Finding the Fourth Proportional to 127,218.48, 175,565.52 and 70,634.40

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Solution

The fourth proportional to 127,218.48, 175,565.52 and 70,634.40 is: 97,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,218.48 : 175,565.52 = 70,634.40 : x
  2. Step 2: Convert to fraction form
    127,218.48/175,565.52 = 70,634.40/x
  3. Step 3: Cross multiply
    127,218.48x = 175,565.52 × 70,634.40
  4. Step 4: Simplify right side
    127,218.48x = 12,400,965,165.89
  5. Step 5: Solve for x
    x = 12,400,965,165.89/127,218.48
  6. Step 6: Final answer
    x = 97,477.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.