Home / 125,048.45-172,550.72-71,330.26

Finding the Fourth Proportional to 125,048.45, 172,550.72 and 71,330.26

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Solution

The fourth proportional to 125,048.45, 172,550.72 and 71,330.26 is: 98,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,048.45 : 172,550.72 = 71,330.26 : x
  2. Step 2: Convert to fraction form
    125,048.45/172,550.72 = 71,330.26/x
  3. Step 3: Cross multiply
    125,048.45x = 172,550.72 × 71,330.26
  4. Step 4: Simplify right side
    125,048.45x = 12,308,087,720.79
  5. Step 5: Solve for x
    x = 12,308,087,720.79/125,048.45
  6. Step 6: Final answer
    x = 98,426.55

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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.