Home / 230,126.12-317,573.24-128,152.88

Finding the Fourth Proportional to 230,126.12, 317,573.24 and 128,152.88

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Solution

The fourth proportional to 230,126.12, 317,573.24 and 128,152.88 is: 176,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,126.12 : 317,573.24 = 128,152.88 : x
  2. Step 2: Convert to fraction form
    230,126.12/317,573.24 = 128,152.88/x
  3. Step 3: Cross multiply
    230,126.12x = 317,573.24 × 128,152.88
  4. Step 4: Simplify right side
    230,126.12x = 40,697,925,316.93
  5. Step 5: Solve for x
    x = 40,697,925,316.93/230,126.12
  6. Step 6: Final answer
    x = 176,850.53

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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.