Home / 143,792.08-215,689.50-38,611.06

Finding the Fourth Proportional to 143,792.08, 215,689.50 and 38,611.06

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Solution

The fourth proportional to 143,792.08, 215,689.50 and 38,611.06 is: 57,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792.08 : 215,689.50 = 38,611.06 : x
  2. Step 2: Convert to fraction form
    143,792.08/215,689.50 = 38,611.06/x
  3. Step 3: Cross multiply
    143,792.08x = 215,689.50 × 38,611.06
  4. Step 4: Simplify right side
    143,792.08x = 8,328,000,225.87
  5. Step 5: Solve for x
    x = 8,328,000,225.87/143,792.08
  6. Step 6: Final answer
    x = 57,916.96

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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.