Home / 161,948.22-223,488.88-90,326.40

Finding the Fourth Proportional to 161,948.22, 223,488.88 and 90,326.40

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Solution

The fourth proportional to 161,948.22, 223,488.88 and 90,326.40 is: 124,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,948.22 : 223,488.88 = 90,326.40 : x
  2. Step 2: Convert to fraction form
    161,948.22/223,488.88 = 90,326.40/x
  3. Step 3: Cross multiply
    161,948.22x = 223,488.88 × 90,326.40
  4. Step 4: Simplify right side
    161,948.22x = 20,186,945,970.43
  5. Step 5: Solve for x
    x = 20,186,945,970.43/161,948.22
  6. Step 6: Final answer
    x = 124,650.62

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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.