Home / 130,331.56-179,857.44-70,715.56

Finding the Fourth Proportional to 130,331.56, 179,857.44 and 70,715.56

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Solution

The fourth proportional to 130,331.56, 179,857.44 and 70,715.56 is: 97,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,331.56 : 179,857.44 = 70,715.56 : x
  2. Step 2: Convert to fraction form
    130,331.56/179,857.44 = 70,715.56/x
  3. Step 3: Cross multiply
    130,331.56x = 179,857.44 × 70,715.56
  4. Step 4: Simplify right side
    130,331.56x = 12,718,719,589.77
  5. Step 5: Solve for x
    x = 12,718,719,589.77/130,331.56
  6. Step 6: Final answer
    x = 97,587.41

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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.