Home / 104,511.95-144,223.59-56,765.29

Finding the Fourth Proportional to 104,511.95, 144,223.59 and 56,765.29

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Solution

The fourth proportional to 104,511.95, 144,223.59 and 56,765.29 is: 78,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,511.95 : 144,223.59 = 56,765.29 : x
  2. Step 2: Convert to fraction form
    104,511.95/144,223.59 = 56,765.29/x
  3. Step 3: Cross multiply
    104,511.95x = 144,223.59 × 56,765.29
  4. Step 4: Simplify right side
    104,511.95x = 8,186,894,682.28
  5. Step 5: Solve for x
    x = 8,186,894,682.28/104,511.95
  6. Step 6: Final answer
    x = 78,334.53

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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.