Home / 210,290.04-315,313.88-143,810.73

Finding the Fourth Proportional to 210,290.04, 315,313.88 and 143,810.73

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Solution

The fourth proportional to 210,290.04, 315,313.88 and 143,810.73 is: 215,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,290.04 : 315,313.88 = 143,810.73 : x
  2. Step 2: Convert to fraction form
    210,290.04/315,313.88 = 143,810.73/x
  3. Step 3: Cross multiply
    210,290.04x = 315,313.88 × 143,810.73
  4. Step 4: Simplify right side
    210,290.04x = 45,345,518,542.88
  5. Step 5: Solve for x
    x = 45,345,518,542.88/210,290.04
  6. Step 6: Final answer
    x = 215,633.22

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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.