Home / 130,226.25-179,713.31-70,610.25

Finding the Fourth Proportional to 130,226.25, 179,713.31 and 70,610.25

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Solution

The fourth proportional to 130,226.25, 179,713.31 and 70,610.25 is: 97,442.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,226.25 : 179,713.31 = 70,610.25 : x
  2. Step 2: Convert to fraction form
    130,226.25/179,713.31 = 70,610.25/x
  3. Step 3: Cross multiply
    130,226.25x = 179,713.31 × 70,610.25
  4. Step 4: Simplify right side
    130,226.25x = 12,689,601,394.38
  5. Step 5: Solve for x
    x = 12,689,601,394.38/130,226.25
  6. Step 6: Final answer
    x = 97,442.73

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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.