Home / 127,991.61-176,627.18-70,631.46

Finding the Fourth Proportional to 127,991.61, 176,627.18 and 70,631.46

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Solution

The fourth proportional to 127,991.61, 176,627.18 and 70,631.46 is: 97,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,991.61 : 176,627.18 = 70,631.46 : x
  2. Step 2: Convert to fraction form
    127,991.61/176,627.18 = 70,631.46/x
  3. Step 3: Cross multiply
    127,991.61x = 176,627.18 × 70,631.46
  4. Step 4: Simplify right side
    127,991.61x = 12,475,435,775.66
  5. Step 5: Solve for x
    x = 12,475,435,775.66/127,991.61
  6. Step 6: Final answer
    x = 97,470.73

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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.