Home / 169,744.60-254,271.30-86,685.40

Finding the Fourth Proportional to 169,744.60, 254,271.30 and 86,685.40

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Solution

The fourth proportional to 169,744.60, 254,271.30 and 86,685.40 is: 129,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,744.60 : 254,271.30 = 86,685.40 : x
  2. Step 2: Convert to fraction form
    169,744.60/254,271.30 = 86,685.40/x
  3. Step 3: Cross multiply
    169,744.60x = 254,271.30 × 86,685.40
  4. Step 4: Simplify right side
    169,744.60x = 22,041,609,349.02
  5. Step 5: Solve for x
    x = 22,041,609,349.02/169,744.60
  6. Step 6: Final answer
    x = 129,851.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.