Home / 99,470.88-149,214.50-43,312.84

Finding the Fourth Proportional to 99,470.88, 149,214.50 and 43,312.84

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Solution

The fourth proportional to 99,470.88, 149,214.50 and 43,312.84 is: 64,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,470.88 : 149,214.50 = 43,312.84 : x
  2. Step 2: Convert to fraction form
    99,470.88/149,214.50 = 43,312.84/x
  3. Step 3: Cross multiply
    99,470.88x = 149,214.50 × 43,312.84
  4. Step 4: Simplify right side
    99,470.88x = 6,462,903,764.18
  5. Step 5: Solve for x
    x = 6,462,903,764.18/99,470.88
  6. Step 6: Final answer
    x = 64,972.82

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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.