Home / 103,823.11-143,275.84-56,076.49

Finding the Fourth Proportional to 103,823.11, 143,275.84 and 56,076.49

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Solution

The fourth proportional to 103,823.11, 143,275.84 and 56,076.49 is: 77,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,823.11 : 143,275.84 = 56,076.49 : x
  2. Step 2: Convert to fraction form
    103,823.11/143,275.84 = 56,076.49/x
  3. Step 3: Cross multiply
    103,823.11x = 143,275.84 × 56,076.49
  4. Step 4: Simplify right side
    103,823.11x = 8,034,406,209.00
  5. Step 5: Solve for x
    x = 8,034,406,209.00/103,823.11
  6. Step 6: Final answer
    x = 77,385.53

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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.