Home / 131,401.86-197,100.02-42,655.26

Finding the Fourth Proportional to 131,401.86, 197,100.02 and 42,655.26

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Solution

The fourth proportional to 131,401.86, 197,100.02 and 42,655.26 is: 63,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,401.86 : 197,100.02 = 42,655.26 : x
  2. Step 2: Convert to fraction form
    131,401.86/197,100.02 = 42,655.26/x
  3. Step 3: Cross multiply
    131,401.86x = 197,100.02 × 42,655.26
  4. Step 4: Simplify right side
    131,401.86x = 8,407,352,599.11
  5. Step 5: Solve for x
    x = 8,407,352,599.11/131,401.86
  6. Step 6: Final answer
    x = 63,981.99

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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.