Home / 263,545.08-363,692.46-142,686.45

Finding the Fourth Proportional to 263,545.08, 363,692.46 and 142,686.45

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Solution

The fourth proportional to 263,545.08, 363,692.46 and 142,686.45 is: 196,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,545.08 : 363,692.46 = 142,686.45 : x
  2. Step 2: Convert to fraction form
    263,545.08/363,692.46 = 142,686.45/x
  3. Step 3: Cross multiply
    263,545.08x = 363,692.46 × 142,686.45
  4. Step 4: Simplify right side
    263,545.08x = 51,893,986,009.17
  5. Step 5: Solve for x
    x = 51,893,986,009.17/263,545.08
  6. Step 6: Final answer
    x = 196,907.44

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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.