Home / 282,187.80-423,276.18-68,957.04

Finding the Fourth Proportional to 282,187.80, 423,276.18 and 68,957.04

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Solution

The fourth proportional to 282,187.80, 423,276.18 and 68,957.04 is: 103,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,187.80 : 423,276.18 = 68,957.04 : x
  2. Step 2: Convert to fraction form
    282,187.80/423,276.18 = 68,957.04/x
  3. Step 3: Cross multiply
    282,187.80x = 423,276.18 × 68,957.04
  4. Step 4: Simplify right side
    282,187.80x = 29,187,872,475.31
  5. Step 5: Solve for x
    x = 29,187,872,475.31/282,187.80
  6. Step 6: Final answer
    x = 103,434.21

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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.