Home / 98,381.20-147,401.70-45,682.60

Finding the Fourth Proportional to 98,381.20, 147,401.70 and 45,682.60

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Solution

The fourth proportional to 98,381.20, 147,401.70 and 45,682.60 is: 68,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,381.20 : 147,401.70 = 45,682.60 : x
  2. Step 2: Convert to fraction form
    98,381.20/147,401.70 = 45,682.60/x
  3. Step 3: Cross multiply
    98,381.20x = 147,401.70 × 45,682.60
  4. Step 4: Simplify right side
    98,381.20x = 6,733,692,900.42
  5. Step 5: Solve for x
    x = 6,733,692,900.42/98,381.20
  6. Step 6: Final answer
    x = 68,444.92

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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.