Home / 115,412.09-159,264.24-70,091.99

Finding the Fourth Proportional to 115,412.09, 159,264.24 and 70,091.99

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Solution

The fourth proportional to 115,412.09, 159,264.24 and 70,091.99 is: 96,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.09 : 159,264.24 = 70,091.99 : x
  2. Step 2: Convert to fraction form
    115,412.09/159,264.24 = 70,091.99/x
  3. Step 3: Cross multiply
    115,412.09x = 159,264.24 × 70,091.99
  4. Step 4: Simplify right side
    115,412.09x = 11,163,146,721.12
  5. Step 5: Solve for x
    x = 11,163,146,721.12/115,412.09
  6. Step 6: Final answer
    x = 96,724.24

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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.