Home / 134,723.70-202,085.55-84,860.10

Finding the Fourth Proportional to 134,723.70, 202,085.55 and 84,860.10

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Solution

The fourth proportional to 134,723.70, 202,085.55 and 84,860.10 is: 127,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,723.70 : 202,085.55 = 84,860.10 : x
  2. Step 2: Convert to fraction form
    134,723.70/202,085.55 = 84,860.10/x
  3. Step 3: Cross multiply
    134,723.70x = 202,085.55 × 84,860.10
  4. Step 4: Simplify right side
    134,723.70x = 17,148,999,981.56
  5. Step 5: Solve for x
    x = 17,148,999,981.56/134,723.70
  6. Step 6: Final answer
    x = 127,290.15

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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.