Home / 60,187.86-90,263.07-20,199.06

Finding the Fourth Proportional to 60,187.86, 90,263.07 and 20,199.06

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Solution

The fourth proportional to 60,187.86, 90,263.07 and 20,199.06 is: 30,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,187.86 : 90,263.07 = 20,199.06 : x
  2. Step 2: Convert to fraction form
    60,187.86/90,263.07 = 20,199.06/x
  3. Step 3: Cross multiply
    60,187.86x = 90,263.07 × 20,199.06
  4. Step 4: Simplify right side
    60,187.86x = 1,823,229,166.71
  5. Step 5: Solve for x
    x = 1,823,229,166.71/60,187.86
  6. Step 6: Final answer
    x = 30,292.31

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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.