Home / 152,987.68-229,402.34-68,675.24

Finding the Fourth Proportional to 152,987.68, 229,402.34 and 68,675.24

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Solution

The fourth proportional to 152,987.68, 229,402.34 and 68,675.24 is: 102,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,987.68 : 229,402.34 = 68,675.24 : x
  2. Step 2: Convert to fraction form
    152,987.68/229,402.34 = 68,675.24/x
  3. Step 3: Cross multiply
    152,987.68x = 229,402.34 × 68,675.24
  4. Step 4: Simplify right side
    152,987.68x = 15,754,260,756.06
  5. Step 5: Solve for x
    x = 15,754,260,756.06/152,987.68
  6. Step 6: Final answer
    x = 102,977.32

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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.