Home / 103,167.15-154,719.88-31,117.04

Finding the Fourth Proportional to 103,167.15, 154,719.88 and 31,117.04

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Solution

The fourth proportional to 103,167.15, 154,719.88 and 31,117.04 is: 46,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167.15 : 154,719.88 = 31,117.04 : x
  2. Step 2: Convert to fraction form
    103,167.15/154,719.88 = 31,117.04/x
  3. Step 3: Cross multiply
    103,167.15x = 154,719.88 × 31,117.04
  4. Step 4: Simplify right side
    103,167.15x = 4,814,424,694.76
  5. Step 5: Solve for x
    x = 4,814,424,694.76/103,167.15
  6. Step 6: Final answer
    x = 46,666.26

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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.