Home / 104,320.17-143,960.56-56,572.95

Finding the Fourth Proportional to 104,320.17, 143,960.56 and 56,572.95

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Solution

The fourth proportional to 104,320.17, 143,960.56 and 56,572.95 is: 78,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.17 : 143,960.56 = 56,572.95 : x
  2. Step 2: Convert to fraction form
    104,320.17/143,960.56 = 56,572.95/x
  3. Step 3: Cross multiply
    104,320.17x = 143,960.56 × 56,572.95
  4. Step 4: Simplify right side
    104,320.17x = 8,144,273,562.85
  5. Step 5: Solve for x
    x = 8,144,273,562.85/104,320.17
  6. Step 6: Final answer
    x = 78,069.98

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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.