Home / 131,617.98-181,632.84-74,269.46

Finding the Fourth Proportional to 131,617.98, 181,632.84 and 74,269.46

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Solution

The fourth proportional to 131,617.98, 181,632.84 and 74,269.46 is: 102,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,617.98 : 181,632.84 = 74,269.46 : x
  2. Step 2: Convert to fraction form
    131,617.98/181,632.84 = 74,269.46/x
  3. Step 3: Cross multiply
    131,617.98x = 181,632.84 × 74,269.46
  4. Step 4: Simplify right side
    131,617.98x = 13,489,772,036.90
  5. Step 5: Solve for x
    x = 13,489,772,036.90/131,617.98
  6. Step 6: Final answer
    x = 102,491.86

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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.