Home / 231,031.08-318,807.78-134,226.36

Finding the Fourth Proportional to 231,031.08, 318,807.78 and 134,226.36

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Solution

The fourth proportional to 231,031.08, 318,807.78 and 134,226.36 is: 185,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,031.08 : 318,807.78 = 134,226.36 : x
  2. Step 2: Convert to fraction form
    231,031.08/318,807.78 = 134,226.36/x
  3. Step 3: Cross multiply
    231,031.08x = 318,807.78 × 134,226.36
  4. Step 4: Simplify right side
    231,031.08x = 42,792,407,849.08
  5. Step 5: Solve for x
    x = 42,792,407,849.08/231,031.08
  6. Step 6: Final answer
    x = 185,223.60

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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.