Home / 101,647.23-140,271.07-56,324.81

Finding the Fourth Proportional to 101,647.23, 140,271.07 and 56,324.81

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Solution

The fourth proportional to 101,647.23, 140,271.07 and 56,324.81 is: 77,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,647.23 : 140,271.07 = 56,324.81 : x
  2. Step 2: Convert to fraction form
    101,647.23/140,271.07 = 56,324.81/x
  3. Step 3: Cross multiply
    101,647.23x = 140,271.07 × 56,324.81
  4. Step 4: Simplify right side
    101,647.23x = 7,900,741,366.25
  5. Step 5: Solve for x
    x = 7,900,741,366.25/101,647.23
  6. Step 6: Final answer
    x = 77,727.07

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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.