Home / 109,675.51-151,350.39-61,278.31

Finding the Fourth Proportional to 109,675.51, 151,350.39 and 61,278.31

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Solution

The fourth proportional to 109,675.51, 151,350.39 and 61,278.31 is: 84,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.51 : 151,350.39 = 61,278.31 : x
  2. Step 2: Convert to fraction form
    109,675.51/151,350.39 = 61,278.31/x
  3. Step 3: Cross multiply
    109,675.51x = 151,350.39 × 61,278.31
  4. Step 4: Simplify right side
    109,675.51x = 9,274,496,117.04
  5. Step 5: Solve for x
    x = 9,274,496,117.04/109,675.51
  6. Step 6: Final answer
    x = 84,563.05

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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.