Home / 65,362.08-90,186.84-40,197.36

Finding the Fourth Proportional to 65,362.08, 90,186.84 and 40,197.36

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Solution

The fourth proportional to 65,362.08, 90,186.84 and 40,197.36 is: 55,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362.08 : 90,186.84 = 40,197.36 : x
  2. Step 2: Convert to fraction form
    65,362.08/90,186.84 = 40,197.36/x
  3. Step 3: Cross multiply
    65,362.08x = 90,186.84 × 40,197.36
  4. Step 4: Simplify right side
    65,362.08x = 3,625,272,874.74
  5. Step 5: Solve for x
    x = 3,625,272,874.74/65,362.08
  6. Step 6: Final answer
    x = 55,464.47

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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.