Home / 155,206.86-232,761.08-66,436.53

Finding the Fourth Proportional to 155,206.86, 232,761.08 and 66,436.53

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Solution

The fourth proportional to 155,206.86, 232,761.08 and 66,436.53 is: 99,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,206.86 : 232,761.08 = 66,436.53 : x
  2. Step 2: Convert to fraction form
    155,206.86/232,761.08 = 66,436.53/x
  3. Step 3: Cross multiply
    155,206.86x = 232,761.08 × 66,436.53
  4. Step 4: Simplify right side
    155,206.86x = 15,463,837,809.30
  5. Step 5: Solve for x
    x = 15,463,837,809.30/155,206.86
  6. Step 6: Final answer
    x = 99,633.73

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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.