Home / 112,280.16-168,419.61-28,040.16

Finding the Fourth Proportional to 112,280.16, 168,419.61 and 28,040.16

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Solution

The fourth proportional to 112,280.16, 168,419.61 and 28,040.16 is: 42,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.16 : 168,419.61 = 28,040.16 : x
  2. Step 2: Convert to fraction form
    112,280.16/168,419.61 = 28,040.16/x
  3. Step 3: Cross multiply
    112,280.16x = 168,419.61 × 28,040.16
  4. Step 4: Simplify right side
    112,280.16x = 4,722,512,811.54
  5. Step 5: Solve for x
    x = 4,722,512,811.54/112,280.16
  6. Step 6: Final answer
    x = 42,060.08

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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.