Home / 161,729.40-223,159.98-90,093.24

Finding the Fourth Proportional to 161,729.40, 223,159.98 and 90,093.24

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Solution

The fourth proportional to 161,729.40, 223,159.98 and 90,093.24 is: 124,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729.40 : 223,159.98 = 90,093.24 : x
  2. Step 2: Convert to fraction form
    161,729.40/223,159.98 = 90,093.24/x
  3. Step 3: Cross multiply
    161,729.40x = 223,159.98 × 90,093.24
  4. Step 4: Simplify right side
    161,729.40x = 20,105,205,636.54
  5. Step 5: Solve for x
    x = 20,105,205,636.54/161,729.40
  6. Step 6: Final answer
    x = 124,313.86

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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.