Home / 213,045.60-319,576.48-70,903.52

Finding the Fourth Proportional to 213,045.60, 319,576.48 and 70,903.52

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Solution

The fourth proportional to 213,045.60, 319,576.48 and 70,903.52 is: 106,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,045.60 : 319,576.48 = 70,903.52 : x
  2. Step 2: Convert to fraction form
    213,045.60/319,576.48 = 70,903.52/x
  3. Step 3: Cross multiply
    213,045.60x = 319,576.48 × 70,903.52
  4. Step 4: Simplify right side
    213,045.60x = 22,659,097,341.21
  5. Step 5: Solve for x
    x = 22,659,097,341.21/213,045.60
  6. Step 6: Final answer
    x = 106,357.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.