Home / 127,130.32-175,439.28-70,541.56

Finding the Fourth Proportional to 127,130.32, 175,439.28 and 70,541.56

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Solution

The fourth proportional to 127,130.32, 175,439.28 and 70,541.56 is: 97,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.32 : 175,439.28 = 70,541.56 : x
  2. Step 2: Convert to fraction form
    127,130.32/175,439.28 = 70,541.56/x
  3. Step 3: Cross multiply
    127,130.32x = 175,439.28 × 70,541.56
  4. Step 4: Simplify right side
    127,130.32x = 12,375,760,496.48
  5. Step 5: Solve for x
    x = 12,375,760,496.48/127,130.32
  6. Step 6: Final answer
    x = 97,347.04

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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.