Home / 137,167.02-205,639.81-126,095.33

Finding the Fourth Proportional to 137,167.02, 205,639.81 and 126,095.33

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Solution

The fourth proportional to 137,167.02, 205,639.81 and 126,095.33 is: 189,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,167.02 : 205,639.81 = 126,095.33 : x
  2. Step 2: Convert to fraction form
    137,167.02/205,639.81 = 126,095.33/x
  3. Step 3: Cross multiply
    137,167.02x = 205,639.81 × 126,095.33
  4. Step 4: Simplify right side
    137,167.02x = 25,930,219,901.95
  5. Step 5: Solve for x
    x = 25,930,219,901.95/137,167.02
  6. Step 6: Final answer
    x = 189,041.21

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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.