Home / 158,322.07-218,484.77-85,725.75

Finding the Fourth Proportional to 158,322.07, 218,484.77 and 85,725.75

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Solution

The fourth proportional to 158,322.07, 218,484.77 and 85,725.75 is: 118,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,322.07 : 218,484.77 = 85,725.75 : x
  2. Step 2: Convert to fraction form
    158,322.07/218,484.77 = 85,725.75/x
  3. Step 3: Cross multiply
    158,322.07x = 218,484.77 × 85,725.75
  4. Step 4: Simplify right side
    158,322.07x = 18,729,770,771.83
  5. Step 5: Solve for x
    x = 18,729,770,771.83/158,322.07
  6. Step 6: Final answer
    x = 118,301.70

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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.