Home / 130,765.28-180,240.44-92,475.36

Finding the Fourth Proportional to 130,765.28, 180,240.44 and 92,475.36

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Solution

The fourth proportional to 130,765.28, 180,240.44 and 92,475.36 is: 127,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,765.28 : 180,240.44 = 92,475.36 : x
  2. Step 2: Convert to fraction form
    130,765.28/180,240.44 = 92,475.36/x
  3. Step 3: Cross multiply
    130,765.28x = 180,240.44 × 92,475.36
  4. Step 4: Simplify right side
    130,765.28x = 16,667,799,113.18
  5. Step 5: Solve for x
    x = 16,667,799,113.18/130,765.28
  6. Step 6: Final answer
    x = 127,463.50

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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.