Home / 226,141.12-312,038.40-130,660.48

Finding the Fourth Proportional to 226,141.12, 312,038.40 and 130,660.48

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Solution

The fourth proportional to 226,141.12, 312,038.40 and 130,660.48 is: 180,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,141.12 : 312,038.40 = 130,660.48 : x
  2. Step 2: Convert to fraction form
    226,141.12/312,038.40 = 130,660.48/x
  3. Step 3: Cross multiply
    226,141.12x = 312,038.40 × 130,660.48
  4. Step 4: Simplify right side
    226,141.12x = 40,771,087,122.43
  5. Step 5: Solve for x
    x = 40,771,087,122.43/226,141.12
  6. Step 6: Final answer
    x = 180,290.46

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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.