Home / 171,412.20-236,470.31-111,002.30

Finding the Fourth Proportional to 171,412.20, 236,470.31 and 111,002.30

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Solution

The fourth proportional to 171,412.20, 236,470.31 and 111,002.30 is: 153,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,412.20 : 236,470.31 = 111,002.30 : x
  2. Step 2: Convert to fraction form
    171,412.20/236,470.31 = 111,002.30/x
  3. Step 3: Cross multiply
    171,412.20x = 236,470.31 × 111,002.30
  4. Step 4: Simplify right side
    171,412.20x = 26,248,748,291.71
  5. Step 5: Solve for x
    x = 26,248,748,291.71/171,412.20
  6. Step 6: Final answer
    x = 153,132.32

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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.