Home / 99,822.20-149,733.30-94,901.45

Finding the Fourth Proportional to 99,822.20, 149,733.30 and 94,901.45

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Solution

The fourth proportional to 99,822.20, 149,733.30 and 94,901.45 is: 142,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.20 : 149,733.30 = 94,901.45 : x
  2. Step 2: Convert to fraction form
    99,822.20/149,733.30 = 94,901.45/x
  3. Step 3: Cross multiply
    99,822.20x = 149,733.30 × 94,901.45
  4. Step 4: Simplify right side
    99,822.20x = 14,209,907,283.29
  5. Step 5: Solve for x
    x = 14,209,907,283.29/99,822.20
  6. Step 6: Final answer
    x = 142,352.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.