Home / 94,722.98-130,708.40-52,278.78

Finding the Fourth Proportional to 94,722.98, 130,708.40 and 52,278.78

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Solution

The fourth proportional to 94,722.98, 130,708.40 and 52,278.78 is: 72,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.98 : 130,708.40 = 52,278.78 : x
  2. Step 2: Convert to fraction form
    94,722.98/130,708.40 = 52,278.78/x
  3. Step 3: Cross multiply
    94,722.98x = 130,708.40 × 52,278.78
  4. Step 4: Simplify right side
    94,722.98x = 6,833,275,687.75
  5. Step 5: Solve for x
    x = 6,833,275,687.75/94,722.98
  6. Step 6: Final answer
    x = 72,139.58

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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.