Home / 131,281.02-181,171.98-74,696.04

Finding the Fourth Proportional to 131,281.02, 181,171.98 and 74,696.04

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Solution

The fourth proportional to 131,281.02, 181,171.98 and 74,696.04 is: 103,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,281.02 : 181,171.98 = 74,696.04 : x
  2. Step 2: Convert to fraction form
    131,281.02/181,171.98 = 74,696.04/x
  3. Step 3: Cross multiply
    131,281.02x = 181,171.98 × 74,696.04
  4. Step 4: Simplify right side
    131,281.02x = 13,532,829,464.96
  5. Step 5: Solve for x
    x = 13,532,829,464.96/131,281.02
  6. Step 6: Final answer
    x = 103,082.91

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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.