Home / 107,109.80-159,707.10-104,167.16

Finding the Fourth Proportional to 107,109.80, 159,707.10 and 104,167.16

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Solution

The fourth proportional to 107,109.80, 159,707.10 and 104,167.16 is: 155,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,109.80 : 159,707.10 = 104,167.16 : x
  2. Step 2: Convert to fraction form
    107,109.80/159,707.10 = 104,167.16/x
  3. Step 3: Cross multiply
    107,109.80x = 159,707.10 × 104,167.16
  4. Step 4: Simplify right side
    107,109.80x = 16,636,234,240.30
  5. Step 5: Solve for x
    x = 16,636,234,240.30/107,109.80
  6. Step 6: Final answer
    x = 155,319.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.