Home / 137,772.51-206,666.47-43,015.78

Finding the Fourth Proportional to 137,772.51, 206,666.47 and 43,015.78

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Solution

The fourth proportional to 137,772.51, 206,666.47 and 43,015.78 is: 64,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,772.51 : 206,666.47 = 43,015.78 : x
  2. Step 2: Convert to fraction form
    137,772.51/206,666.47 = 43,015.78/x
  3. Step 3: Cross multiply
    137,772.51x = 206,666.47 × 43,015.78
  4. Step 4: Simplify right side
    137,772.51x = 8,889,920,209.51
  5. Step 5: Solve for x
    x = 8,889,920,209.51/137,772.51
  6. Step 6: Final answer
    x = 64,526.08

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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.