Home / 141,015.56-211,438.12-66,152.12

Finding the Fourth Proportional to 141,015.56, 211,438.12 and 66,152.12

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Solution

The fourth proportional to 141,015.56, 211,438.12 and 66,152.12 is: 99,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.56 : 211,438.12 = 66,152.12 : x
  2. Step 2: Convert to fraction form
    141,015.56/211,438.12 = 66,152.12/x
  3. Step 3: Cross multiply
    141,015.56x = 211,438.12 × 66,152.12
  4. Step 4: Simplify right side
    141,015.56x = 13,987,079,886.81
  5. Step 5: Solve for x
    x = 13,987,079,886.81/141,015.56
  6. Step 6: Final answer
    x = 99,188.20

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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.