Home / 119,158.28-178,737.27-30,411.79

Finding the Fourth Proportional to 119,158.28, 178,737.27 and 30,411.79

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Solution

The fourth proportional to 119,158.28, 178,737.27 and 30,411.79 is: 45,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158.28 : 178,737.27 = 30,411.79 : x
  2. Step 2: Convert to fraction form
    119,158.28/178,737.27 = 30,411.79/x
  3. Step 3: Cross multiply
    119,158.28x = 178,737.27 × 30,411.79
  4. Step 4: Simplify right side
    119,158.28x = 5,435,720,320.41
  5. Step 5: Solve for x
    x = 5,435,720,320.41/119,158.28
  6. Step 6: Final answer
    x = 45,617.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.