Home / 143,948.31-215,479.57-93,920.68

Finding the Fourth Proportional to 143,948.31, 215,479.57 and 93,920.68

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Solution

The fourth proportional to 143,948.31, 215,479.57 and 93,920.68 is: 140,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.31 : 215,479.57 = 93,920.68 : x
  2. Step 2: Convert to fraction form
    143,948.31/215,479.57 = 93,920.68/x
  3. Step 3: Cross multiply
    143,948.31x = 215,479.57 × 93,920.68
  4. Step 4: Simplify right side
    143,948.31x = 20,237,987,740.51
  5. Step 5: Solve for x
    x = 20,237,987,740.51/143,948.31
  6. Step 6: Final answer
    x = 140,592.05

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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.