Home / 115,920.10-173,880.15-56,725.30

Finding the Fourth Proportional to 115,920.10, 173,880.15 and 56,725.30

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Solution

The fourth proportional to 115,920.10, 173,880.15 and 56,725.30 is: 85,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.10 : 173,880.15 = 56,725.30 : x
  2. Step 2: Convert to fraction form
    115,920.10/173,880.15 = 56,725.30/x
  3. Step 3: Cross multiply
    115,920.10x = 173,880.15 × 56,725.30
  4. Step 4: Simplify right side
    115,920.10x = 9,863,403,672.80
  5. Step 5: Solve for x
    x = 9,863,403,672.80/115,920.10
  6. Step 6: Final answer
    x = 85,087.95

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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.