Home / 113,001.80-169,502.70-100,317.20

Finding the Fourth Proportional to 113,001.80, 169,502.70 and 100,317.20

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Solution

The fourth proportional to 113,001.80, 169,502.70 and 100,317.20 is: 150,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,001.80 : 169,502.70 = 100,317.20 : x
  2. Step 2: Convert to fraction form
    113,001.80/169,502.70 = 100,317.20/x
  3. Step 3: Cross multiply
    113,001.80x = 169,502.70 × 100,317.20
  4. Step 4: Simplify right side
    113,001.80x = 17,004,036,256.44
  5. Step 5: Solve for x
    x = 17,004,036,256.44/113,001.80
  6. Step 6: Final answer
    x = 150,475.80

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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.