Home / 242,619.84-334,822.41-140,645.70

Finding the Fourth Proportional to 242,619.84, 334,822.41 and 140,645.70

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Solution

The fourth proportional to 242,619.84, 334,822.41 and 140,645.70 is: 194,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,619.84 : 334,822.41 = 140,645.70 : x
  2. Step 2: Convert to fraction form
    242,619.84/334,822.41 = 140,645.70/x
  3. Step 3: Cross multiply
    242,619.84x = 334,822.41 × 140,645.70
  4. Step 4: Simplify right side
    242,619.84x = 47,091,332,230.14
  5. Step 5: Solve for x
    x = 47,091,332,230.14/242,619.84
  6. Step 6: Final answer
    x = 194,095.14

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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.