Home / 91,291.68-136,935.36-23,822.64

Finding the Fourth Proportional to 91,291.68, 136,935.36 and 23,822.64

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Solution

The fourth proportional to 91,291.68, 136,935.36 and 23,822.64 is: 35,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,291.68 : 136,935.36 = 23,822.64 : x
  2. Step 2: Convert to fraction form
    91,291.68/136,935.36 = 23,822.64/x
  3. Step 3: Cross multiply
    91,291.68x = 136,935.36 × 23,822.64
  4. Step 4: Simplify right side
    91,291.68x = 3,262,161,784.55
  5. Step 5: Solve for x
    x = 3,262,161,784.55/91,291.68
  6. Step 6: Final answer
    x = 35,733.40

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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.