Home / 127,939.64-176,554.02-70,584.20

Finding the Fourth Proportional to 127,939.64, 176,554.02 and 70,584.20

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Solution

The fourth proportional to 127,939.64, 176,554.02 and 70,584.20 is: 97,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939.64 : 176,554.02 = 70,584.20 : x
  2. Step 2: Convert to fraction form
    127,939.64/176,554.02 = 70,584.20/x
  3. Step 3: Cross multiply
    127,939.64x = 176,554.02 × 70,584.20
  4. Step 4: Simplify right side
    127,939.64x = 12,461,923,375.71
  5. Step 5: Solve for x
    x = 12,461,923,375.71/127,939.64
  6. Step 6: Final answer
    x = 97,404.71

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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.