Home / 94,331.58-130,176.90-51,889.20

Finding the Fourth Proportional to 94,331.58, 130,176.90 and 51,889.20

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Solution

The fourth proportional to 94,331.58, 130,176.90 and 51,889.20 is: 71,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,331.58 : 130,176.90 = 51,889.20 : x
  2. Step 2: Convert to fraction form
    94,331.58/130,176.90 = 51,889.20/x
  3. Step 3: Cross multiply
    94,331.58x = 130,176.90 × 51,889.20
  4. Step 4: Simplify right side
    94,331.58x = 6,754,775,199.48
  5. Step 5: Solve for x
    x = 6,754,775,199.48/94,331.58
  6. Step 6: Final answer
    x = 71,606.72

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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.