Home / 161,017.36-222,235.48-102,836.72

Finding the Fourth Proportional to 161,017.36, 222,235.48 and 102,836.72

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Solution

The fourth proportional to 161,017.36, 222,235.48 and 102,836.72 is: 141,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,017.36 : 222,235.48 = 102,836.72 : x
  2. Step 2: Convert to fraction form
    161,017.36/222,235.48 = 102,836.72/x
  3. Step 3: Cross multiply
    161,017.36x = 222,235.48 × 102,836.72
  4. Step 4: Simplify right side
    161,017.36x = 22,853,967,830.83
  5. Step 5: Solve for x
    x = 22,853,967,830.83/161,017.36
  6. Step 6: Final answer
    x = 141,934.81

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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.