Home / 210,223.01-315,147.03-77,072.24

Finding the Fourth Proportional to 210,223.01, 315,147.03 and 77,072.24

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Solution

The fourth proportional to 210,223.01, 315,147.03 and 77,072.24 is: 115,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,223.01 : 315,147.03 = 77,072.24 : x
  2. Step 2: Convert to fraction form
    210,223.01/315,147.03 = 77,072.24/x
  3. Step 3: Cross multiply
    210,223.01x = 315,147.03 × 77,072.24
  4. Step 4: Simplify right side
    210,223.01x = 24,289,087,724.13
  5. Step 5: Solve for x
    x = 24,289,087,724.13/210,223.01
  6. Step 6: Final answer
    x = 115,539.62

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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.