Home / 170,387.85-235,136.19-98,810.37

Finding the Fourth Proportional to 170,387.85, 235,136.19 and 98,810.37

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Solution

The fourth proportional to 170,387.85, 235,136.19 and 98,810.37 is: 136,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,387.85 : 235,136.19 = 98,810.37 : x
  2. Step 2: Convert to fraction form
    170,387.85/235,136.19 = 98,810.37/x
  3. Step 3: Cross multiply
    170,387.85x = 235,136.19 × 98,810.37
  4. Step 4: Simplify right side
    170,387.85x = 23,233,893,934.29
  5. Step 5: Solve for x
    x = 23,233,893,934.29/170,387.85
  6. Step 6: Final answer
    x = 136,358.87

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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.