Home / 231,089.52-318,903.70-134,312.34

Finding the Fourth Proportional to 231,089.52, 318,903.70 and 134,312.34

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Solution

The fourth proportional to 231,089.52, 318,903.70 and 134,312.34 is: 185,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,089.52 : 318,903.70 = 134,312.34 : x
  2. Step 2: Convert to fraction form
    231,089.52/318,903.70 = 134,312.34/x
  3. Step 3: Cross multiply
    231,089.52x = 318,903.70 × 134,312.34
  4. Step 4: Simplify right side
    231,089.52x = 42,832,702,181.66
  5. Step 5: Solve for x
    x = 42,832,702,181.66/231,089.52
  6. Step 6: Final answer
    x = 185,351.12

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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.