Home / 162,003.67-223,564.17-90,383.53

Finding the Fourth Proportional to 162,003.67, 223,564.17 and 90,383.53

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Solution

The fourth proportional to 162,003.67, 223,564.17 and 90,383.53 is: 124,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.67 : 223,564.17 = 90,383.53 : x
  2. Step 2: Convert to fraction form
    162,003.67/223,564.17 = 90,383.53/x
  3. Step 3: Cross multiply
    162,003.67x = 223,564.17 × 90,383.53
  4. Step 4: Simplify right side
    162,003.67x = 20,206,518,866.12
  5. Step 5: Solve for x
    x = 20,206,518,866.12/162,003.67
  6. Step 6: Final answer
    x = 124,728.77

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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.