Home / 127,725.76-176,265.24-70,368.76

Finding the Fourth Proportional to 127,725.76, 176,265.24 and 70,368.76

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Solution

The fourth proportional to 127,725.76, 176,265.24 and 70,368.76 is: 97,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.76 : 176,265.24 = 70,368.76 : x
  2. Step 2: Convert to fraction form
    127,725.76/176,265.24 = 70,368.76/x
  3. Step 3: Cross multiply
    127,725.76x = 176,265.24 × 70,368.76
  4. Step 4: Simplify right side
    127,725.76x = 12,403,566,369.90
  5. Step 5: Solve for x
    x = 12,403,566,369.90/127,725.76
  6. Step 6: Final answer
    x = 97,110.92

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1.5x scale

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.