Home / 154,462.44-213,108.60-86,469.40

Finding the Fourth Proportional to 154,462.44, 213,108.60 and 86,469.40

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Solution

The fourth proportional to 154,462.44, 213,108.60 and 86,469.40 is: 119,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,462.44 : 213,108.60 = 86,469.40 : x
  2. Step 2: Convert to fraction form
    154,462.44/213,108.60 = 86,469.40/x
  3. Step 3: Cross multiply
    154,462.44x = 213,108.60 × 86,469.40
  4. Step 4: Simplify right side
    154,462.44x = 18,427,372,776.84
  5. Step 5: Solve for x
    x = 18,427,372,776.84/154,462.44
  6. Step 6: Final answer
    x = 119,300.02

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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.