Home / 115,264.31-159,065.44-64,280.26

Finding the Fourth Proportional to 115,264.31, 159,065.44 and 64,280.26

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Solution

The fourth proportional to 115,264.31, 159,065.44 and 64,280.26 is: 88,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.31 : 159,065.44 = 64,280.26 : x
  2. Step 2: Convert to fraction form
    115,264.31/159,065.44 = 64,280.26/x
  3. Step 3: Cross multiply
    115,264.31x = 159,065.44 × 64,280.26
  4. Step 4: Simplify right side
    115,264.31x = 10,224,767,729.22
  5. Step 5: Solve for x
    x = 10,224,767,729.22/115,264.31
  6. Step 6: Final answer
    x = 88,707.15

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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.