Home / 155,332.86-232,960.89-66,576.30

Finding the Fourth Proportional to 155,332.86, 232,960.89 and 66,576.30

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Solution

The fourth proportional to 155,332.86, 232,960.89 and 66,576.30 is: 99,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,332.86 : 232,960.89 = 66,576.30 : x
  2. Step 2: Convert to fraction form
    155,332.86/232,960.89 = 66,576.30/x
  3. Step 3: Cross multiply
    155,332.86x = 232,960.89 × 66,576.30
  4. Step 4: Simplify right side
    155,332.86x = 15,509,674,100.91
  5. Step 5: Solve for x
    x = 15,509,674,100.91/155,332.86
  6. Step 6: Final answer
    x = 99,847.99

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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.