Home / 84,192.45-126,178.98-34,214.13

Finding the Fourth Proportional to 84,192.45, 126,178.98 and 34,214.13

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Solution

The fourth proportional to 84,192.45, 126,178.98 and 34,214.13 is: 51,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,192.45 : 126,178.98 = 34,214.13 : x
  2. Step 2: Convert to fraction form
    84,192.45/126,178.98 = 34,214.13/x
  3. Step 3: Cross multiply
    84,192.45x = 126,178.98 × 34,214.13
  4. Step 4: Simplify right side
    84,192.45x = 4,317,104,024.99
  5. Step 5: Solve for x
    x = 4,317,104,024.99/84,192.45
  6. Step 6: Final answer
    x = 51,276.62

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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.