Home / 102,213.72-141,053.84-56,891.04

Finding the Fourth Proportional to 102,213.72, 141,053.84 and 56,891.04

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Solution

The fourth proportional to 102,213.72, 141,053.84 and 56,891.04 is: 78,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.72 : 141,053.84 = 56,891.04 : x
  2. Step 2: Convert to fraction form
    102,213.72/141,053.84 = 56,891.04/x
  3. Step 3: Cross multiply
    102,213.72x = 141,053.84 × 56,891.04
  4. Step 4: Simplify right side
    102,213.72x = 8,024,699,653.59
  5. Step 5: Solve for x
    x = 8,024,699,653.59/102,213.72
  6. Step 6: Final answer
    x = 78,509.03

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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.