Home / 90,853.80-136,280.70-62,860.20

Finding the Fourth Proportional to 90,853.80, 136,280.70 and 62,860.20

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Solution

The fourth proportional to 90,853.80, 136,280.70 and 62,860.20 is: 94,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,853.80 : 136,280.70 = 62,860.20 : x
  2. Step 2: Convert to fraction form
    90,853.80/136,280.70 = 62,860.20/x
  3. Step 3: Cross multiply
    90,853.80x = 136,280.70 × 62,860.20
  4. Step 4: Simplify right side
    90,853.80x = 8,566,632,058.14
  5. Step 5: Solve for x
    x = 8,566,632,058.14/90,853.80
  6. Step 6: Final answer
    x = 94,290.30

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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.