Home / 113,941.39-157,225.57-68,618.65

Finding the Fourth Proportional to 113,941.39, 157,225.57 and 68,618.65

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Solution

The fourth proportional to 113,941.39, 157,225.57 and 68,618.65 is: 94,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,941.39 : 157,225.57 = 68,618.65 : x
  2. Step 2: Convert to fraction form
    113,941.39/157,225.57 = 68,618.65/x
  3. Step 3: Cross multiply
    113,941.39x = 157,225.57 × 68,618.65
  4. Step 4: Simplify right side
    113,941.39x = 10,788,606,358.88
  5. Step 5: Solve for x
    x = 10,788,606,358.88/113,941.39
  6. Step 6: Final answer
    x = 94,685.58

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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.