Home / 115,258.32-159,057.20-64,274.28

Finding the Fourth Proportional to 115,258.32, 159,057.20 and 64,274.28

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Solution

The fourth proportional to 115,258.32, 159,057.20 and 64,274.28 is: 88,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,258.32 : 159,057.20 = 64,274.28 : x
  2. Step 2: Convert to fraction form
    115,258.32/159,057.20 = 64,274.28/x
  3. Step 3: Cross multiply
    115,258.32x = 159,057.20 × 64,274.28
  4. Step 4: Simplify right side
    115,258.32x = 10,223,287,008.82
  5. Step 5: Solve for x
    x = 10,223,287,008.82/115,258.32
  6. Step 6: Final answer
    x = 88,698.91

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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.