Home / 157,465.34-217,233.58-100,073.91

Finding the Fourth Proportional to 157,465.34, 217,233.58 and 100,073.91

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Solution

The fourth proportional to 157,465.34, 217,233.58 and 100,073.91 is: 138,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.34 : 217,233.58 = 100,073.91 : x
  2. Step 2: Convert to fraction form
    157,465.34/217,233.58 = 100,073.91/x
  3. Step 3: Cross multiply
    157,465.34x = 217,233.58 × 100,073.91
  4. Step 4: Simplify right side
    157,465.34x = 21,739,413,733.90
  5. Step 5: Solve for x
    x = 21,739,413,733.90/157,465.34
  6. Step 6: Final answer
    x = 138,058.41

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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.