Home / 149,904.74-206,871.10-89,463.65

Finding the Fourth Proportional to 149,904.74, 206,871.10 and 89,463.65

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Solution

The fourth proportional to 149,904.74, 206,871.10 and 89,463.65 is: 123,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,904.74 : 206,871.10 = 89,463.65 : x
  2. Step 2: Convert to fraction form
    149,904.74/206,871.10 = 89,463.65/x
  3. Step 3: Cross multiply
    149,904.74x = 206,871.10 × 89,463.65
  4. Step 4: Simplify right side
    149,904.74x = 18,507,442,427.50
  5. Step 5: Solve for x
    x = 18,507,442,427.50/149,904.74
  6. Step 6: Final answer
    x = 123,461.35

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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.