Home / 115,283.04-159,084.90-64,301.28

Finding the Fourth Proportional to 115,283.04, 159,084.90 and 64,301.28

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Solution

The fourth proportional to 115,283.04, 159,084.90 and 64,301.28 is: 88,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,283.04 : 159,084.90 = 64,301.28 : x
  2. Step 2: Convert to fraction form
    115,283.04/159,084.90 = 64,301.28/x
  3. Step 3: Cross multiply
    115,283.04x = 159,084.90 × 64,301.28
  4. Step 4: Simplify right side
    115,283.04x = 10,229,362,698.67
  5. Step 5: Solve for x
    x = 10,229,362,698.67/115,283.04
  6. Step 6: Final answer
    x = 88,732.59

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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.