Home / 127,702.64-176,217.24-70,341.20

Finding the Fourth Proportional to 127,702.64, 176,217.24 and 70,341.20

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Solution

The fourth proportional to 127,702.64, 176,217.24 and 70,341.20 is: 97,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.64 : 176,217.24 = 70,341.20 : x
  2. Step 2: Convert to fraction form
    127,702.64/176,217.24 = 70,341.20/x
  3. Step 3: Cross multiply
    127,702.64x = 176,217.24 × 70,341.20
  4. Step 4: Simplify right side
    127,702.64x = 12,395,332,122.29
  5. Step 5: Solve for x
    x = 12,395,332,122.29/127,702.64
  6. Step 6: Final answer
    x = 97,064.02

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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.