Home / 151,276.65-208,760.05-83,292.20

Finding the Fourth Proportional to 151,276.65, 208,760.05 and 83,292.20

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Solution

The fourth proportional to 151,276.65, 208,760.05 and 83,292.20 is: 114,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,276.65 : 208,760.05 = 83,292.20 : x
  2. Step 2: Convert to fraction form
    151,276.65/208,760.05 = 83,292.20/x
  3. Step 3: Cross multiply
    151,276.65x = 208,760.05 × 83,292.20
  4. Step 4: Simplify right side
    151,276.65x = 17,388,083,420.15
  5. Step 5: Solve for x
    x = 17,388,083,420.15/151,276.65
  6. Step 6: Final answer
    x = 114,942.29

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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.