Home / 85,330.33-127,980.91-22,986.25

Finding the Fourth Proportional to 85,330.33, 127,980.91 and 22,986.25

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Solution

The fourth proportional to 85,330.33, 127,980.91 and 22,986.25 is: 34,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.33 : 127,980.91 = 22,986.25 : x
  2. Step 2: Convert to fraction form
    85,330.33/127,980.91 = 22,986.25/x
  3. Step 3: Cross multiply
    85,330.33x = 127,980.91 × 22,986.25
  4. Step 4: Simplify right side
    85,330.33x = 2,941,801,192.49
  5. Step 5: Solve for x
    x = 2,941,801,192.49/85,330.33
  6. Step 6: Final answer
    x = 34,475.45

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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.