Home / 113,832.64-157,093.36-63,541.36

Finding the Fourth Proportional to 113,832.64, 157,093.36 and 63,541.36

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Solution

The fourth proportional to 113,832.64, 157,093.36 and 63,541.36 is: 87,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,832.64 : 157,093.36 = 63,541.36 : x
  2. Step 2: Convert to fraction form
    113,832.64/157,093.36 = 63,541.36/x
  3. Step 3: Cross multiply
    113,832.64x = 157,093.36 × 63,541.36
  4. Step 4: Simplify right side
    113,832.64x = 9,981,925,741.37
  5. Step 5: Solve for x
    x = 9,981,925,741.37/113,832.64
  6. Step 6: Final answer
    x = 87,689.49

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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.