Home / 242,072.18-334,054.81-134,639.90

Finding the Fourth Proportional to 242,072.18, 334,054.81 and 134,639.90

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Solution

The fourth proportional to 242,072.18, 334,054.81 and 134,639.90 is: 185,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,072.18 : 334,054.81 = 134,639.90 : x
  2. Step 2: Convert to fraction form
    242,072.18/334,054.81 = 134,639.90/x
  3. Step 3: Cross multiply
    242,072.18x = 334,054.81 × 134,639.90
  4. Step 4: Simplify right side
    242,072.18x = 44,977,106,212.92
  5. Step 5: Solve for x
    x = 44,977,106,212.92/242,072.18
  6. Step 6: Final answer
    x = 185,800.39

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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.