Home / 153,323.10-229,995.45-86,795.10

Finding the Fourth Proportional to 153,323.10, 229,995.45 and 86,795.10

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Solution

The fourth proportional to 153,323.10, 229,995.45 and 86,795.10 is: 130,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,323.10 : 229,995.45 = 86,795.10 : x
  2. Step 2: Convert to fraction form
    153,323.10/229,995.45 = 86,795.10/x
  3. Step 3: Cross multiply
    153,323.10x = 229,995.45 × 86,795.10
  4. Step 4: Simplify right side
    153,323.10x = 19,962,478,082.30
  5. Step 5: Solve for x
    x = 19,962,478,082.30/153,323.10
  6. Step 6: Final answer
    x = 130,198.76

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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.