Home / 170,001.20-255,026.10-57,686.60

Finding the Fourth Proportional to 170,001.20, 255,026.10 and 57,686.60

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Solution

The fourth proportional to 170,001.20, 255,026.10 and 57,686.60 is: 86,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,001.20 : 255,026.10 = 57,686.60 : x
  2. Step 2: Convert to fraction form
    170,001.20/255,026.10 = 57,686.60/x
  3. Step 3: Cross multiply
    170,001.20x = 255,026.10 × 57,686.60
  4. Step 4: Simplify right side
    170,001.20x = 14,711,588,620.26
  5. Step 5: Solve for x
    x = 14,711,588,620.26/170,001.20
  6. Step 6: Final answer
    x = 86,538.15

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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.