Home / 130,327.56-179,851.92-70,711.56

Finding the Fourth Proportional to 130,327.56, 179,851.92 and 70,711.56

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Solution

The fourth proportional to 130,327.56, 179,851.92 and 70,711.56 is: 97,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,327.56 : 179,851.92 = 70,711.56 : x
  2. Step 2: Convert to fraction form
    130,327.56/179,851.92 = 70,711.56/x
  3. Step 3: Cross multiply
    130,327.56x = 179,851.92 × 70,711.56
  4. Step 4: Simplify right side
    130,327.56x = 12,717,609,832.20
  5. Step 5: Solve for x
    x = 12,717,609,832.20/130,327.56
  6. Step 6: Final answer
    x = 97,581.89

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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.