Home / 209,612.03-288,623.95-158,004.10

Finding the Fourth Proportional to 209,612.03, 288,623.95 and 158,004.10

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Solution

The fourth proportional to 209,612.03, 288,623.95 and 158,004.10 is: 217,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,612.03 : 288,623.95 = 158,004.10 : x
  2. Step 2: Convert to fraction form
    209,612.03/288,623.95 = 158,004.10/x
  3. Step 3: Cross multiply
    209,612.03x = 288,623.95 × 158,004.10
  4. Step 4: Simplify right side
    209,612.03x = 45,603,766,341.62
  5. Step 5: Solve for x
    x = 45,603,766,341.62/209,612.03
  6. Step 6: Final answer
    x = 217,562.73

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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.