Home / 84,008.23-126,156.17-56,107.57

Finding the Fourth Proportional to 84,008.23, 126,156.17 and 56,107.57

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Solution

The fourth proportional to 84,008.23, 126,156.17 and 56,107.57 is: 84,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.23 : 126,156.17 = 56,107.57 : x
  2. Step 2: Convert to fraction form
    84,008.23/126,156.17 = 56,107.57/x
  3. Step 3: Cross multiply
    84,008.23x = 126,156.17 × 56,107.57
  4. Step 4: Simplify right side
    84,008.23x = 7,078,316,139.21
  5. Step 5: Solve for x
    x = 7,078,316,139.21/84,008.23
  6. Step 6: Final answer
    x = 84,257.41

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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.