Home / 98,218.88-147,333.36-28,108.64

Finding the Fourth Proportional to 98,218.88, 147,333.36 and 28,108.64

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Solution

The fourth proportional to 98,218.88, 147,333.36 and 28,108.64 is: 42,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.88 : 147,333.36 = 28,108.64 : x
  2. Step 2: Convert to fraction form
    98,218.88/147,333.36 = 28,108.64/x
  3. Step 3: Cross multiply
    98,218.88x = 147,333.36 × 28,108.64
  4. Step 4: Simplify right side
    98,218.88x = 4,141,340,376.23
  5. Step 5: Solve for x
    x = 4,141,340,376.23/98,218.88
  6. Step 6: Final answer
    x = 42,164.40

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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.