Home / 239,133.26-330,017.75-137,158

Finding the Fourth Proportional to 239,133.26, 330,017.75 and 137,158

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Solution

The fourth proportional to 239,133.26, 330,017.75 and 137,158 is: 189,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,133.26 : 330,017.75 = 137,158 : x
  2. Step 2: Convert to fraction form
    239,133.26/330,017.75 = 137,158/x
  3. Step 3: Cross multiply
    239,133.26x = 330,017.75 × 137,158
  4. Step 4: Simplify right side
    239,133.26x = 45,264,574,554.50
  5. Step 5: Solve for x
    x = 45,264,574,554.50/239,133.26
  6. Step 6: Final answer
    x = 189,285.98

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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.