Home / 143,560.47-215,340.71-38,376.70

Finding the Fourth Proportional to 143,560.47, 215,340.71 and 38,376.70

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Solution

The fourth proportional to 143,560.47, 215,340.71 and 38,376.70 is: 57,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,560.47 : 215,340.71 = 38,376.70 : x
  2. Step 2: Convert to fraction form
    143,560.47/215,340.71 = 38,376.70/x
  3. Step 3: Cross multiply
    143,560.47x = 215,340.71 × 38,376.70
  4. Step 4: Simplify right side
    143,560.47x = 8,264,066,522.38
  5. Step 5: Solve for x
    x = 8,264,066,522.38/143,560.47
  6. Step 6: Final answer
    x = 57,565.06

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1.5x scale

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.