Home / 242,041.87-334,028.63-140,072.12

Finding the Fourth Proportional to 242,041.87, 334,028.63 and 140,072.12

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Solution

The fourth proportional to 242,041.87, 334,028.63 and 140,072.12 is: 193,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,041.87 : 334,028.63 = 140,072.12 : x
  2. Step 2: Convert to fraction form
    242,041.87/334,028.63 = 140,072.12/x
  3. Step 3: Cross multiply
    242,041.87x = 334,028.63 × 140,072.12
  4. Step 4: Simplify right side
    242,041.87x = 46,788,097,024.83
  5. Step 5: Solve for x
    x = 46,788,097,024.83/242,041.87
  6. Step 6: Final answer
    x = 193,305.80

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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.