Home / 115,440.15-173,160.23-103,630.35

Finding the Fourth Proportional to 115,440.15, 173,160.23 and 103,630.35

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Solution

The fourth proportional to 115,440.15, 173,160.23 and 103,630.35 is: 155,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.15 : 173,160.23 = 103,630.35 : x
  2. Step 2: Convert to fraction form
    115,440.15/173,160.23 = 103,630.35/x
  3. Step 3: Cross multiply
    115,440.15x = 173,160.23 × 103,630.35
  4. Step 4: Simplify right side
    115,440.15x = 17,944,655,240.98
  5. Step 5: Solve for x
    x = 17,944,655,240.98/115,440.15
  6. Step 6: Final answer
    x = 155,445.53

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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.