Home / 189,820.20-285,058.35-101,246.70

Finding the Fourth Proportional to 189,820.20, 285,058.35 and 101,246.70

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Solution

The fourth proportional to 189,820.20, 285,058.35 and 101,246.70 is: 152,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,820.20 : 285,058.35 = 101,246.70 : x
  2. Step 2: Convert to fraction form
    189,820.20/285,058.35 = 101,246.70/x
  3. Step 3: Cross multiply
    189,820.20x = 285,058.35 × 101,246.70
  4. Step 4: Simplify right side
    189,820.20x = 28,861,217,244.95
  5. Step 5: Solve for x
    x = 28,861,217,244.95/189,820.20
  6. Step 6: Final answer
    x = 152,045.03

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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.