Home / 151,920.60-209,649.24-83,942.16

Finding the Fourth Proportional to 151,920.60, 209,649.24 and 83,942.16

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Solution

The fourth proportional to 151,920.60, 209,649.24 and 83,942.16 is: 115,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,920.60 : 209,649.24 = 83,942.16 : x
  2. Step 2: Convert to fraction form
    151,920.60/209,649.24 = 83,942.16/x
  3. Step 3: Cross multiply
    151,920.60x = 209,649.24 × 83,942.16
  4. Step 4: Simplify right side
    151,920.60x = 17,598,410,047.96
  5. Step 5: Solve for x
    x = 17,598,410,047.96/151,920.60
  6. Step 6: Final answer
    x = 115,839.52

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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.