Home / 130,377.24-179,923.14-85,084.20

Finding the Fourth Proportional to 130,377.24, 179,923.14 and 85,084.20

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Solution

The fourth proportional to 130,377.24, 179,923.14 and 85,084.20 is: 117,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,377.24 : 179,923.14 = 85,084.20 : x
  2. Step 2: Convert to fraction form
    130,377.24/179,923.14 = 85,084.20/x
  3. Step 3: Cross multiply
    130,377.24x = 179,923.14 × 85,084.20
  4. Step 4: Simplify right side
    130,377.24x = 15,308,616,428.39
  5. Step 5: Solve for x
    x = 15,308,616,428.39/130,377.24
  6. Step 6: Final answer
    x = 117,417.86

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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.