Home / 121,214.34-181,621.04-61,968.51

Finding the Fourth Proportional to 121,214.34, 181,621.04 and 61,968.51

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Solution

The fourth proportional to 121,214.34, 181,621.04 and 61,968.51 is: 92,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.34 : 181,621.04 = 61,968.51 : x
  2. Step 2: Convert to fraction form
    121,214.34/181,621.04 = 61,968.51/x
  3. Step 3: Cross multiply
    121,214.34x = 181,621.04 × 61,968.51
  4. Step 4: Simplify right side
    121,214.34x = 11,254,784,923.61
  5. Step 5: Solve for x
    x = 11,254,784,923.61/121,214.34
  6. Step 6: Final answer
    x = 92,850.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.