Home / 101,648.22-140,272.46-56,325.80

Finding the Fourth Proportional to 101,648.22, 140,272.46 and 56,325.80

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Solution

The fourth proportional to 101,648.22, 140,272.46 and 56,325.80 is: 77,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,648.22 : 140,272.46 = 56,325.80 : x
  2. Step 2: Convert to fraction form
    101,648.22/140,272.46 = 56,325.80/x
  3. Step 3: Cross multiply
    101,648.22x = 140,272.46 × 56,325.80
  4. Step 4: Simplify right side
    101,648.22x = 7,900,958,527.47
  5. Step 5: Solve for x
    x = 7,900,958,527.47/101,648.22
  6. Step 6: Final answer
    x = 77,728.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.