Home / 113,937.23-157,239.38-68,629.43

Finding the Fourth Proportional to 113,937.23, 157,239.38 and 68,629.43

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Solution

The fourth proportional to 113,937.23, 157,239.38 and 68,629.43 is: 94,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,937.23 : 157,239.38 = 68,629.43 : x
  2. Step 2: Convert to fraction form
    113,937.23/157,239.38 = 68,629.43/x
  3. Step 3: Cross multiply
    113,937.23x = 157,239.38 × 68,629.43
  4. Step 4: Simplify right side
    113,937.23x = 10,791,248,317.11
  5. Step 5: Solve for x
    x = 10,791,248,317.11/113,937.23
  6. Step 6: Final answer
    x = 94,712.22

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1.5x scale

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.