Home / 158,725.13-219,040.02-87,106.32

Finding the Fourth Proportional to 158,725.13, 219,040.02 and 87,106.32

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Solution

The fourth proportional to 158,725.13, 219,040.02 and 87,106.32 is: 120,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,725.13 : 219,040.02 = 87,106.32 : x
  2. Step 2: Convert to fraction form
    158,725.13/219,040.02 = 87,106.32/x
  3. Step 3: Cross multiply
    158,725.13x = 219,040.02 × 87,106.32
  4. Step 4: Simplify right side
    158,725.13x = 19,079,770,074.93
  5. Step 5: Solve for x
    x = 19,079,770,074.93/158,725.13
  6. Step 6: Final answer
    x = 120,206.36

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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.