Home / 99,277.34-148,915.68-40,112.30

Finding the Fourth Proportional to 99,277.34, 148,915.68 and 40,112.30

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Solution

The fourth proportional to 99,277.34, 148,915.68 and 40,112.30 is: 60,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.34 : 148,915.68 = 40,112.30 : x
  2. Step 2: Convert to fraction form
    99,277.34/148,915.68 = 40,112.30/x
  3. Step 3: Cross multiply
    99,277.34x = 148,915.68 × 40,112.30
  4. Step 4: Simplify right side
    99,277.34x = 5,973,349,686.29
  5. Step 5: Solve for x
    x = 5,973,349,686.29/99,277.34
  6. Step 6: Final answer
    x = 60,168.31

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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.