Home / 115,657.36-159,586.32-64,671.10

Finding the Fourth Proportional to 115,657.36, 159,586.32 and 64,671.10

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Solution

The fourth proportional to 115,657.36, 159,586.32 and 64,671.10 is: 89,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.36 : 159,586.32 = 64,671.10 : x
  2. Step 2: Convert to fraction form
    115,657.36/159,586.32 = 64,671.10/x
  3. Step 3: Cross multiply
    115,657.36x = 159,586.32 × 64,671.10
  4. Step 4: Simplify right side
    115,657.36x = 10,320,622,859.35
  5. Step 5: Solve for x
    x = 10,320,622,859.35/115,657.36
  6. Step 6: Final answer
    x = 89,234.47

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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.