Home / 130,344.38-179,833.41-72,975.24

Finding the Fourth Proportional to 130,344.38, 179,833.41 and 72,975.24

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Solution

The fourth proportional to 130,344.38, 179,833.41 and 72,975.24 is: 100,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344.38 : 179,833.41 = 72,975.24 : x
  2. Step 2: Convert to fraction form
    130,344.38/179,833.41 = 72,975.24/x
  3. Step 3: Cross multiply
    130,344.38x = 179,833.41 × 72,975.24
  4. Step 4: Simplify right side
    130,344.38x = 13,123,386,254.77
  5. Step 5: Solve for x
    x = 13,123,386,254.77/130,344.38
  6. Step 6: Final answer
    x = 100,682.41

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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.