Home / 115,445.77-159,313.61-64,459.29

Finding the Fourth Proportional to 115,445.77, 159,313.61 and 64,459.29

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Solution

The fourth proportional to 115,445.77, 159,313.61 and 64,459.29 is: 88,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.77 : 159,313.61 = 64,459.29 : x
  2. Step 2: Convert to fraction form
    115,445.77/159,313.61 = 64,459.29/x
  3. Step 3: Cross multiply
    115,445.77x = 159,313.61 × 64,459.29
  4. Step 4: Simplify right side
    115,445.77x = 10,269,242,187.94
  5. Step 5: Solve for x
    x = 10,269,242,187.94/115,445.77
  6. Step 6: Final answer
    x = 88,952.95

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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.