Home / 94,331.60-130,176.88-51,889.20

Finding the Fourth Proportional to 94,331.60, 130,176.88 and 51,889.20

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Solution

The fourth proportional to 94,331.60, 130,176.88 and 51,889.20 is: 71,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,331.60 : 130,176.88 = 51,889.20 : x
  2. Step 2: Convert to fraction form
    94,331.60/130,176.88 = 51,889.20/x
  3. Step 3: Cross multiply
    94,331.60x = 130,176.88 × 51,889.20
  4. Step 4: Simplify right side
    94,331.60x = 6,754,774,161.70
  5. Step 5: Solve for x
    x = 6,754,774,161.70/94,331.60
  6. Step 6: Final answer
    x = 71,606.70

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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.