Home / 115,944.18-159,966.63-64,950.03

Finding the Fourth Proportional to 115,944.18, 159,966.63 and 64,950.03

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Solution

The fourth proportional to 115,944.18, 159,966.63 and 64,950.03 is: 89,610.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,944.18 : 159,966.63 = 64,950.03 : x
  2. Step 2: Convert to fraction form
    115,944.18/159,966.63 = 64,950.03/x
  3. Step 3: Cross multiply
    115,944.18x = 159,966.63 × 64,950.03
  4. Step 4: Simplify right side
    115,944.18x = 10,389,837,417.50
  5. Step 5: Solve for x
    x = 10,389,837,417.50/115,944.18
  6. Step 6: Final answer
    x = 89,610.69

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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.