Home / 103,849.29-143,312.17-56,102.66

Finding the Fourth Proportional to 103,849.29, 143,312.17 and 56,102.66

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Solution

The fourth proportional to 103,849.29, 143,312.17 and 56,102.66 is: 77,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.29 : 143,312.17 = 56,102.66 : x
  2. Step 2: Convert to fraction form
    103,849.29/143,312.17 = 56,102.66/x
  3. Step 3: Cross multiply
    103,849.29x = 143,312.17 × 56,102.66
  4. Step 4: Simplify right side
    103,849.29x = 8,040,193,230.81
  5. Step 5: Solve for x
    x = 8,040,193,230.81/103,849.29
  6. Step 6: Final answer
    x = 77,421.74

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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.