Home / 151,459.11-209,005.05-83,475.88

Finding the Fourth Proportional to 151,459.11, 209,005.05 and 83,475.88

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Solution

The fourth proportional to 151,459.11, 209,005.05 and 83,475.88 is: 115,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.11 : 209,005.05 = 83,475.88 : x
  2. Step 2: Convert to fraction form
    151,459.11/209,005.05 = 83,475.88/x
  3. Step 3: Cross multiply
    151,459.11x = 209,005.05 × 83,475.88
  4. Step 4: Simplify right side
    151,459.11x = 17,446,879,637.65
  5. Step 5: Solve for x
    x = 17,446,879,637.65/151,459.11
  6. Step 6: Final answer
    x = 115,192.01

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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.