Home / 84,518.67-126,595.74-79,550.29

Finding the Fourth Proportional to 84,518.67, 126,595.74 and 79,550.29

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Solution

The fourth proportional to 84,518.67, 126,595.74 and 79,550.29 is: 119,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.67 : 126,595.74 = 79,550.29 : x
  2. Step 2: Convert to fraction form
    84,518.67/126,595.74 = 79,550.29/x
  3. Step 3: Cross multiply
    84,518.67x = 126,595.74 × 79,550.29
  4. Step 4: Simplify right side
    84,518.67x = 10,070,727,196.79
  5. Step 5: Solve for x
    x = 10,070,727,196.79/84,518.67
  6. Step 6: Final answer
    x = 119,153.88

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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.