Home / 99,746.34-149,643.90-33,186.30

Finding the Fourth Proportional to 99,746.34, 149,643.90 and 33,186.30

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Solution

The fourth proportional to 99,746.34, 149,643.90 and 33,186.30 is: 49,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.34 : 149,643.90 = 33,186.30 : x
  2. Step 2: Convert to fraction form
    99,746.34/149,643.90 = 33,186.30/x
  3. Step 3: Cross multiply
    99,746.34x = 149,643.90 × 33,186.30
  4. Step 4: Simplify right side
    99,746.34x = 4,966,127,358.57
  5. Step 5: Solve for x
    x = 4,966,127,358.57/99,746.34
  6. Step 6: Final answer
    x = 49,787.56

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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.