Home / 102,011.14-140,774.85-56,071.84

Finding the Fourth Proportional to 102,011.14, 140,774.85 and 56,071.84

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Solution

The fourth proportional to 102,011.14, 140,774.85 and 56,071.84 is: 77,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011.14 : 140,774.85 = 56,071.84 : x
  2. Step 2: Convert to fraction form
    102,011.14/140,774.85 = 56,071.84/x
  3. Step 3: Cross multiply
    102,011.14x = 140,774.85 × 56,071.84
  4. Step 4: Simplify right side
    102,011.14x = 7,893,504,865.22
  5. Step 5: Solve for x
    x = 7,893,504,865.22/102,011.14
  6. Step 6: Final answer
    x = 77,378.85

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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.