Home / 102,181.80-141,013.59-56,242.74

Finding the Fourth Proportional to 102,181.80, 141,013.59 and 56,242.74

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Solution

The fourth proportional to 102,181.80, 141,013.59 and 56,242.74 is: 77,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181.80 : 141,013.59 = 56,242.74 : x
  2. Step 2: Convert to fraction form
    102,181.80/141,013.59 = 56,242.74/x
  3. Step 3: Cross multiply
    102,181.80x = 141,013.59 × 56,242.74
  4. Step 4: Simplify right side
    102,181.80x = 7,930,990,678.84
  5. Step 5: Solve for x
    x = 7,930,990,678.84/102,181.80
  6. Step 6: Final answer
    x = 77,616.47

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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.