Home / 115,379.28-159,225.48-67,667.04

Finding the Fourth Proportional to 115,379.28, 159,225.48 and 67,667.04

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Solution

The fourth proportional to 115,379.28, 159,225.48 and 67,667.04 is: 93,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,379.28 : 159,225.48 = 67,667.04 : x
  2. Step 2: Convert to fraction form
    115,379.28/159,225.48 = 67,667.04/x
  3. Step 3: Cross multiply
    115,379.28x = 159,225.48 × 67,667.04
  4. Step 4: Simplify right side
    115,379.28x = 10,774,316,924.18
  5. Step 5: Solve for x
    x = 10,774,316,924.18/115,379.28
  6. Step 6: Final answer
    x = 93,381.73

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1.5x scale

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.