Home / 144,856.10-199,827.11-87,463.76

Finding the Fourth Proportional to 144,856.10, 199,827.11 and 87,463.76

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Solution

The fourth proportional to 144,856.10, 199,827.11 and 87,463.76 is: 120,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,856.10 : 199,827.11 = 87,463.76 : x
  2. Step 2: Convert to fraction form
    144,856.10/199,827.11 = 87,463.76/x
  3. Step 3: Cross multiply
    144,856.10x = 199,827.11 × 87,463.76
  4. Step 4: Simplify right side
    144,856.10x = 17,477,629,610.06
  5. Step 5: Solve for x
    x = 17,477,629,610.06/144,856.10
  6. Step 6: Final answer
    x = 120,655.11

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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.