Home / 152,971.29-229,378.14-68,659.18

Finding the Fourth Proportional to 152,971.29, 229,378.14 and 68,659.18

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Solution

The fourth proportional to 152,971.29, 229,378.14 and 68,659.18 is: 102,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.29 : 229,378.14 = 68,659.18 : x
  2. Step 2: Convert to fraction form
    152,971.29/229,378.14 = 68,659.18/x
  3. Step 3: Cross multiply
    152,971.29x = 229,378.14 × 68,659.18
  4. Step 4: Simplify right side
    152,971.29x = 15,748,914,428.88
  5. Step 5: Solve for x
    x = 15,748,914,428.88/152,971.29
  6. Step 6: Final answer
    x = 102,953.40

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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.