Home / 130,470.25-180,049.07-70,854.25

Finding the Fourth Proportional to 130,470.25, 180,049.07 and 70,854.25

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Solution

The fourth proportional to 130,470.25, 180,049.07 and 70,854.25 is: 97,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,470.25 : 180,049.07 = 70,854.25 : x
  2. Step 2: Convert to fraction form
    130,470.25/180,049.07 = 70,854.25/x
  3. Step 3: Cross multiply
    130,470.25x = 180,049.07 × 70,854.25
  4. Step 4: Simplify right side
    130,470.25x = 12,757,241,463.78
  5. Step 5: Solve for x
    x = 12,757,241,463.78/130,470.25
  6. Step 6: Final answer
    x = 97,778.93

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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.