Home / 235,545.40-352,511.70-142,118.20

Finding the Fourth Proportional to 235,545.40, 352,511.70 and 142,118.20

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Solution

The fourth proportional to 235,545.40, 352,511.70 and 142,118.20 is: 212,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,545.40 : 352,511.70 = 142,118.20 : x
  2. Step 2: Convert to fraction form
    235,545.40/352,511.70 = 142,118.20/x
  3. Step 3: Cross multiply
    235,545.40x = 352,511.70 × 142,118.20
  4. Step 4: Simplify right side
    235,545.40x = 50,098,328,282.94
  5. Step 5: Solve for x
    x = 50,098,328,282.94/235,545.40
  6. Step 6: Final answer
    x = 212,690.75

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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.