Home / 112,703.75-155,536.04-62,402.75

Finding the Fourth Proportional to 112,703.75, 155,536.04 and 62,402.75

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Solution

The fourth proportional to 112,703.75, 155,536.04 and 62,402.75 is: 86,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,703.75 : 155,536.04 = 62,402.75 : x
  2. Step 2: Convert to fraction form
    112,703.75/155,536.04 = 62,402.75/x
  3. Step 3: Cross multiply
    112,703.75x = 155,536.04 × 62,402.75
  4. Step 4: Simplify right side
    112,703.75x = 9,705,876,620.11
  5. Step 5: Solve for x
    x = 9,705,876,620.11/112,703.75
  6. Step 6: Final answer
    x = 86,118.49

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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.