Home / 230,032.50-317,397.06-134,520.72

Finding the Fourth Proportional to 230,032.50, 317,397.06 and 134,520.72

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Solution

The fourth proportional to 230,032.50, 317,397.06 and 134,520.72 is: 185,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,032.50 : 317,397.06 = 134,520.72 : x
  2. Step 2: Convert to fraction form
    230,032.50/317,397.06 = 134,520.72/x
  3. Step 3: Cross multiply
    230,032.50x = 317,397.06 × 134,520.72
  4. Step 4: Simplify right side
    230,032.50x = 42,696,481,037.08
  5. Step 5: Solve for x
    x = 42,696,481,037.08/230,032.50
  6. Step 6: Final answer
    x = 185,610.65

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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.