Home / 141,019.25-211,518.95-66,155.81

Finding the Fourth Proportional to 141,019.25, 211,518.95 and 66,155.81

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Solution

The fourth proportional to 141,019.25, 211,518.95 and 66,155.81 is: 99,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,019.25 : 211,518.95 = 66,155.81 : x
  2. Step 2: Convert to fraction form
    141,019.25/211,518.95 = 66,155.81/x
  3. Step 3: Cross multiply
    141,019.25x = 211,518.95 × 66,155.81
  4. Step 4: Simplify right side
    141,019.25x = 13,993,206,079.23
  5. Step 5: Solve for x
    x = 13,993,206,079.23/141,019.25
  6. Step 6: Final answer
    x = 99,229.05

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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.