Home / 230,256.10-317,752.95-134,780.86

Finding the Fourth Proportional to 230,256.10, 317,752.95 and 134,780.86

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Solution

The fourth proportional to 230,256.10, 317,752.95 and 134,780.86 is: 185,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,256.10 : 317,752.95 = 134,780.86 : x
  2. Step 2: Convert to fraction form
    230,256.10/317,752.95 = 134,780.86/x
  3. Step 3: Cross multiply
    230,256.10x = 317,752.95 × 134,780.86
  4. Step 4: Simplify right side
    230,256.10x = 42,827,015,868.54
  5. Step 5: Solve for x
    x = 42,827,015,868.54/230,256.10
  6. Step 6: Final answer
    x = 185,997.31

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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.