Home / 130,038.14-179,424.42-75,600.20

Finding the Fourth Proportional to 130,038.14, 179,424.42 and 75,600.20

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Solution

The fourth proportional to 130,038.14, 179,424.42 and 75,600.20 is: 104,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038.14 : 179,424.42 = 75,600.20 : x
  2. Step 2: Convert to fraction form
    130,038.14/179,424.42 = 75,600.20/x
  3. Step 3: Cross multiply
    130,038.14x = 179,424.42 × 75,600.20
  4. Step 4: Simplify right side
    130,038.14x = 13,564,522,036.88
  5. Step 5: Solve for x
    x = 13,564,522,036.88/130,038.14
  6. Step 6: Final answer
    x = 104,311.87

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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.