Home / 115,248.32-159,040.56-64,947.36

Finding the Fourth Proportional to 115,248.32, 159,040.56 and 64,947.36

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Solution

The fourth proportional to 115,248.32, 159,040.56 and 64,947.36 is: 89,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,248.32 : 159,040.56 = 64,947.36 : x
  2. Step 2: Convert to fraction form
    115,248.32/159,040.56 = 64,947.36/x
  3. Step 3: Cross multiply
    115,248.32x = 159,040.56 × 64,947.36
  4. Step 4: Simplify right side
    115,248.32x = 10,329,264,504.92
  5. Step 5: Solve for x
    x = 10,329,264,504.92/115,248.32
  6. Step 6: Final answer
    x = 89,626.16

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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.