Home / 115,370.03-159,210.30-64,382.21

Finding the Fourth Proportional to 115,370.03, 159,210.30 and 64,382.21

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Solution

The fourth proportional to 115,370.03, 159,210.30 and 64,382.21 is: 88,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,370.03 : 159,210.30 = 64,382.21 : x
  2. Step 2: Convert to fraction form
    115,370.03/159,210.30 = 64,382.21/x
  3. Step 3: Cross multiply
    115,370.03x = 159,210.30 × 64,382.21
  4. Step 4: Simplify right side
    115,370.03x = 10,250,310,172.71
  5. Step 5: Solve for x
    x = 10,250,310,172.71/115,370.03
  6. Step 6: Final answer
    x = 88,847.26

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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.