Home / 101,899.86-152,800.62-42,719.64

Finding the Fourth Proportional to 101,899.86, 152,800.62 and 42,719.64

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Solution

The fourth proportional to 101,899.86, 152,800.62 and 42,719.64 is: 64,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,899.86 : 152,800.62 = 42,719.64 : x
  2. Step 2: Convert to fraction form
    101,899.86/152,800.62 = 42,719.64/x
  3. Step 3: Cross multiply
    101,899.86x = 152,800.62 × 42,719.64
  4. Step 4: Simplify right side
    101,899.86x = 6,527,587,478.18
  5. Step 5: Solve for x
    x = 6,527,587,478.18/101,899.86
  6. Step 6: Final answer
    x = 64,058.85

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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.