Home / 130,463.64-180,034.79-73,875.15

Finding the Fourth Proportional to 130,463.64, 180,034.79 and 73,875.15

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Solution

The fourth proportional to 130,463.64, 180,034.79 and 73,875.15 is: 101,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,463.64 : 180,034.79 = 73,875.15 : x
  2. Step 2: Convert to fraction form
    130,463.64/180,034.79 = 73,875.15/x
  3. Step 3: Cross multiply
    130,463.64x = 180,034.79 × 73,875.15
  4. Step 4: Simplify right side
    130,463.64x = 13,300,096,747.09
  5. Step 5: Solve for x
    x = 13,300,096,747.09/130,463.64
  6. Step 6: Final answer
    x = 101,944.85

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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.