Home / 144,821.52-199,859.40-81,158.76

Finding the Fourth Proportional to 144,821.52, 199,859.40 and 81,158.76

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Solution

The fourth proportional to 144,821.52, 199,859.40 and 81,158.76 is: 112,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,821.52 : 199,859.40 = 81,158.76 : x
  2. Step 2: Convert to fraction form
    144,821.52/199,859.40 = 81,158.76/x
  3. Step 3: Cross multiply
    144,821.52x = 199,859.40 × 81,158.76
  4. Step 4: Simplify right side
    144,821.52x = 16,220,341,078.34
  5. Step 5: Solve for x
    x = 16,220,341,078.34/144,821.52
  6. Step 6: Final answer
    x = 112,002.28

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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.