Home / 94,278.13-141,438.06-31,117.78

Finding the Fourth Proportional to 94,278.13, 141,438.06 and 31,117.78

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Solution

The fourth proportional to 94,278.13, 141,438.06 and 31,117.78 is: 46,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.13 : 141,438.06 = 31,117.78 : x
  2. Step 2: Convert to fraction form
    94,278.13/141,438.06 = 31,117.78/x
  3. Step 3: Cross multiply
    94,278.13x = 141,438.06 × 31,117.78
  4. Step 4: Simplify right side
    94,278.13x = 4,401,238,434.71
  5. Step 5: Solve for x
    x = 4,401,238,434.71/94,278.13
  6. Step 6: Final answer
    x = 46,683.56

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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.