Home / 130,152.69-179,609.40-82,445.18

Finding the Fourth Proportional to 130,152.69, 179,609.40 and 82,445.18

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Solution

The fourth proportional to 130,152.69, 179,609.40 and 82,445.18 is: 113,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,152.69 : 179,609.40 = 82,445.18 : x
  2. Step 2: Convert to fraction form
    130,152.69/179,609.40 = 82,445.18/x
  3. Step 3: Cross multiply
    130,152.69x = 179,609.40 × 82,445.18
  4. Step 4: Simplify right side
    130,152.69x = 14,807,928,414.65
  5. Step 5: Solve for x
    x = 14,807,928,414.65/130,152.69
  6. Step 6: Final answer
    x = 113,773.51

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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.