Home / 143,868.29-215,802.12-38,687.36

Finding the Fourth Proportional to 143,868.29, 215,802.12 and 38,687.36

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Solution

The fourth proportional to 143,868.29, 215,802.12 and 38,687.36 is: 58,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,868.29 : 215,802.12 = 38,687.36 : x
  2. Step 2: Convert to fraction form
    143,868.29/215,802.12 = 38,687.36/x
  3. Step 3: Cross multiply
    143,868.29x = 215,802.12 × 38,687.36
  4. Step 4: Simplify right side
    143,868.29x = 8,348,813,226.19
  5. Step 5: Solve for x
    x = 8,348,813,226.19/143,868.29
  6. Step 6: Final answer
    x = 58,030.95

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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.