Home / 152,290.80-210,156.60-84,310.56

Finding the Fourth Proportional to 152,290.80, 210,156.60 and 84,310.56

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Solution

The fourth proportional to 152,290.80, 210,156.60 and 84,310.56 is: 116,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,290.80 : 210,156.60 = 84,310.56 : x
  2. Step 2: Convert to fraction form
    152,290.80/210,156.60 = 84,310.56/x
  3. Step 3: Cross multiply
    152,290.80x = 210,156.60 × 84,310.56
  4. Step 4: Simplify right side
    152,290.80x = 17,718,420,633.70
  5. Step 5: Solve for x
    x = 17,718,420,633.70/152,290.80
  6. Step 6: Final answer
    x = 116,345.97

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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.