Home / 230,014.22-317,419.56-128,037.47

Finding the Fourth Proportional to 230,014.22, 317,419.56 and 128,037.47

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Solution

The fourth proportional to 230,014.22, 317,419.56 and 128,037.47 is: 176,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,014.22 : 317,419.56 = 128,037.47 : x
  2. Step 2: Convert to fraction form
    230,014.22/317,419.56 = 128,037.47/x
  3. Step 3: Cross multiply
    230,014.22x = 317,419.56 × 128,037.47
  4. Step 4: Simplify right side
    230,014.22x = 40,641,597,390.91
  5. Step 5: Solve for x
    x = 40,641,597,390.91/230,014.22
  6. Step 6: Final answer
    x = 176,691.67

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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.