Home / 131,457.20-197,254.65-60,401.30

Finding the Fourth Proportional to 131,457.20, 197,254.65 and 60,401.30

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Solution

The fourth proportional to 131,457.20, 197,254.65 and 60,401.30 is: 90,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,457.20 : 197,254.65 = 60,401.30 : x
  2. Step 2: Convert to fraction form
    131,457.20/197,254.65 = 60,401.30/x
  3. Step 3: Cross multiply
    131,457.20x = 197,254.65 × 60,401.30
  4. Step 4: Simplify right side
    131,457.20x = 11,914,437,291.05
  5. Step 5: Solve for x
    x = 11,914,437,291.05/131,457.20
  6. Step 6: Final answer
    x = 90,633.58

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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.