Home / 115,381.20-173,083.95-47,905.57

Finding the Fourth Proportional to 115,381.20, 173,083.95 and 47,905.57

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Solution

The fourth proportional to 115,381.20, 173,083.95 and 47,905.57 is: 71,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,381.20 : 173,083.95 = 47,905.57 : x
  2. Step 2: Convert to fraction form
    115,381.20/173,083.95 = 47,905.57/x
  3. Step 3: Cross multiply
    115,381.20x = 173,083.95 × 47,905.57
  4. Step 4: Simplify right side
    115,381.20x = 8,291,685,282.60
  5. Step 5: Solve for x
    x = 8,291,685,282.60/115,381.20
  6. Step 6: Final answer
    x = 71,863.40

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1.5x scale

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.