Home / 115,569.37-159,379-88,713.01

Finding the Fourth Proportional to 115,569.37, 159,379 and 88,713.01

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Solution

The fourth proportional to 115,569.37, 159,379 and 88,713.01 is: 122,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,569.37 : 159,379 = 88,713.01 : x
  2. Step 2: Convert to fraction form
    115,569.37/159,379 = 88,713.01/x
  3. Step 3: Cross multiply
    115,569.37x = 159,379 × 88,713.01
  4. Step 4: Simplify right side
    115,569.37x = 14,138,990,820.79
  5. Step 5: Solve for x
    x = 14,138,990,820.79/115,569.37
  6. Step 6: Final answer
    x = 122,342.03

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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.