Home / 143,555.16-215,316.33-38,382.33

Finding the Fourth Proportional to 143,555.16, 215,316.33 and 38,382.33

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Solution

The fourth proportional to 143,555.16, 215,316.33 and 38,382.33 is: 57,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,555.16 : 215,316.33 = 38,382.33 : x
  2. Step 2: Convert to fraction form
    143,555.16/215,316.33 = 38,382.33/x
  3. Step 3: Cross multiply
    143,555.16x = 215,316.33 × 38,382.33
  4. Step 4: Simplify right side
    143,555.16x = 8,264,342,432.45
  5. Step 5: Solve for x
    x = 8,264,342,432.45/143,555.16
  6. Step 6: Final answer
    x = 57,569.11

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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.