Home / 151,943.65-209,689.56-91,533.24

Finding the Fourth Proportional to 151,943.65, 209,689.56 and 91,533.24

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Solution

The fourth proportional to 151,943.65, 209,689.56 and 91,533.24 is: 126,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,943.65 : 209,689.56 = 91,533.24 : x
  2. Step 2: Convert to fraction form
    151,943.65/209,689.56 = 91,533.24/x
  3. Step 3: Cross multiply
    151,943.65x = 209,689.56 × 91,533.24
  4. Step 4: Simplify right side
    151,943.65x = 19,193,564,820.97
  5. Step 5: Solve for x
    x = 19,193,564,820.97/151,943.65
  6. Step 6: Final answer
    x = 126,320.28

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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.