Home / 152,982.12-229,278.48-86,459.36

Finding the Fourth Proportional to 152,982.12, 229,278.48 and 86,459.36

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Solution

The fourth proportional to 152,982.12, 229,278.48 and 86,459.36 is: 129,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,982.12 : 229,278.48 = 86,459.36 : x
  2. Step 2: Convert to fraction form
    152,982.12/229,278.48 = 86,459.36/x
  3. Step 3: Cross multiply
    152,982.12x = 229,278.48 × 86,459.36
  4. Step 4: Simplify right side
    152,982.12x = 19,823,270,642.57
  5. Step 5: Solve for x
    x = 19,823,270,642.57/152,982.12
  6. Step 6: Final answer
    x = 129,579.00

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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.