Home / 94,381.28-130,243.76-51,358.96

Finding the Fourth Proportional to 94,381.28, 130,243.76 and 51,358.96

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Solution

The fourth proportional to 94,381.28, 130,243.76 and 51,358.96 is: 70,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,381.28 : 130,243.76 = 51,358.96 : x
  2. Step 2: Convert to fraction form
    94,381.28/130,243.76 = 51,358.96/x
  3. Step 3: Cross multiply
    94,381.28x = 130,243.76 × 51,358.96
  4. Step 4: Simplify right side
    94,381.28x = 6,689,184,060.09
  5. Step 5: Solve for x
    x = 6,689,184,060.09/94,381.28
  6. Step 6: Final answer
    x = 70,874.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.