Home / 84,518.17-126,594.99-79,549.79

Finding the Fourth Proportional to 84,518.17, 126,594.99 and 79,549.79

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Solution

The fourth proportional to 84,518.17, 126,594.99 and 79,549.79 is: 119,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.17 : 126,594.99 = 79,549.79 : x
  2. Step 2: Convert to fraction form
    84,518.17/126,594.99 = 79,549.79/x
  3. Step 3: Cross multiply
    84,518.17x = 126,594.99 × 79,549.79
  4. Step 4: Simplify right side
    84,518.17x = 10,070,604,236.58
  5. Step 5: Solve for x
    x = 10,070,604,236.58/84,518.17
  6. Step 6: Final answer
    x = 119,153.13

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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.