Home / 115,819.32-159,845.73-64,851.48

Finding the Fourth Proportional to 115,819.32, 159,845.73 and 64,851.48

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Solution

The fourth proportional to 115,819.32, 159,845.73 and 64,851.48 is: 89,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819.32 : 159,845.73 = 64,851.48 : x
  2. Step 2: Convert to fraction form
    115,819.32/159,845.73 = 64,851.48/x
  3. Step 3: Cross multiply
    115,819.32x = 159,845.73 × 64,851.48
  4. Step 4: Simplify right side
    115,819.32x = 10,366,232,162.18
  5. Step 5: Solve for x
    x = 10,366,232,162.18/115,819.32
  6. Step 6: Final answer
    x = 89,503.48

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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.