Home / 161,746.88-223,207.68-90,125.36

Finding the Fourth Proportional to 161,746.88, 223,207.68 and 90,125.36

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Solution

The fourth proportional to 161,746.88, 223,207.68 and 90,125.36 is: 124,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,746.88 : 223,207.68 = 90,125.36 : x
  2. Step 2: Convert to fraction form
    161,746.88/223,207.68 = 90,125.36/x
  3. Step 3: Cross multiply
    161,746.88x = 223,207.68 × 90,125.36
  4. Step 4: Simplify right side
    161,746.88x = 20,116,672,514.76
  5. Step 5: Solve for x
    x = 20,116,672,514.76/161,746.88
  6. Step 6: Final answer
    x = 124,371.32

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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.