Home / 98,177.72-147,272.04-28,058.85

Finding the Fourth Proportional to 98,177.72, 147,272.04 and 28,058.85

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Solution

The fourth proportional to 98,177.72, 147,272.04 and 28,058.85 is: 42,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,177.72 : 147,272.04 = 28,058.85 : x
  2. Step 2: Convert to fraction form
    98,177.72/147,272.04 = 28,058.85/x
  3. Step 3: Cross multiply
    98,177.72x = 147,272.04 × 28,058.85
  4. Step 4: Simplify right side
    98,177.72x = 4,132,284,079.55
  5. Step 5: Solve for x
    x = 4,132,284,079.55/98,177.72
  6. Step 6: Final answer
    x = 42,089.84

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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.