Home / 239,769.96-330,893.40-137,828.52

Finding the Fourth Proportional to 239,769.96, 330,893.40 and 137,828.52

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Solution

The fourth proportional to 239,769.96, 330,893.40 and 137,828.52 is: 190,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,769.96 : 330,893.40 = 137,828.52 : x
  2. Step 2: Convert to fraction form
    239,769.96/330,893.40 = 137,828.52/x
  3. Step 3: Cross multiply
    239,769.96x = 330,893.40 × 137,828.52
  4. Step 4: Simplify right side
    239,769.96x = 45,606,547,599.77
  5. Step 5: Solve for x
    x = 45,606,547,599.77/239,769.96
  6. Step 6: Final answer
    x = 190,209.60

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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.