Home / 115,864.08-159,895.80-65,562

Finding the Fourth Proportional to 115,864.08, 159,895.80 and 65,562

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Solution

The fourth proportional to 115,864.08, 159,895.80 and 65,562 is: 90,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.08 : 159,895.80 = 65,562 : x
  2. Step 2: Convert to fraction form
    115,864.08/159,895.80 = 65,562/x
  3. Step 3: Cross multiply
    115,864.08x = 159,895.80 × 65,562
  4. Step 4: Simplify right side
    115,864.08x = 10,483,088,439.60
  5. Step 5: Solve for x
    x = 10,483,088,439.60/115,864.08
  6. Step 6: Final answer
    x = 90,477.47

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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.