Home / 153,485.12-230,258.82-64,738.92

Finding the Fourth Proportional to 153,485.12, 230,258.82 and 64,738.92

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Solution

The fourth proportional to 153,485.12, 230,258.82 and 64,738.92 is: 97,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,485.12 : 230,258.82 = 64,738.92 : x
  2. Step 2: Convert to fraction form
    153,485.12/230,258.82 = 64,738.92/x
  3. Step 3: Cross multiply
    153,485.12x = 230,258.82 × 64,738.92
  4. Step 4: Simplify right side
    153,485.12x = 14,906,707,327.27
  5. Step 5: Solve for x
    x = 14,906,707,327.27/153,485.12
  6. Step 6: Final answer
    x = 97,121.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.