Home / 152,642.99-229,012.77-68,475.35

Finding the Fourth Proportional to 152,642.99, 229,012.77 and 68,475.35

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Solution

The fourth proportional to 152,642.99, 229,012.77 and 68,475.35 is: 102,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,642.99 : 229,012.77 = 68,475.35 : x
  2. Step 2: Convert to fraction form
    152,642.99/229,012.77 = 68,475.35/x
  3. Step 3: Cross multiply
    152,642.99x = 229,012.77 × 68,475.35
  4. Step 4: Simplify right side
    152,642.99x = 15,681,729,580.22
  5. Step 5: Solve for x
    x = 15,681,729,580.22/152,642.99
  6. Step 6: Final answer
    x = 102,734.69

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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.