Home / 141,767.24-212,463.72-66,784.72

Finding the Fourth Proportional to 141,767.24, 212,463.72 and 66,784.72

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Solution

The fourth proportional to 141,767.24, 212,463.72 and 66,784.72 is: 100,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,767.24 : 212,463.72 = 66,784.72 : x
  2. Step 2: Convert to fraction form
    141,767.24/212,463.72 = 66,784.72/x
  3. Step 3: Cross multiply
    141,767.24x = 212,463.72 × 66,784.72
  4. Step 4: Simplify right side
    141,767.24x = 14,189,330,050.36
  5. Step 5: Solve for x
    x = 14,189,330,050.36/141,767.24
  6. Step 6: Final answer
    x = 100,088.92

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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.