Home / 119,127.04-164,384-71,371.52

Finding the Fourth Proportional to 119,127.04, 164,384 and 71,371.52

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Solution

The fourth proportional to 119,127.04, 164,384 and 71,371.52 is: 98,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,127.04 : 164,384 = 71,371.52 : x
  2. Step 2: Convert to fraction form
    119,127.04/164,384 = 71,371.52/x
  3. Step 3: Cross multiply
    119,127.04x = 164,384 × 71,371.52
  4. Step 4: Simplify right side
    119,127.04x = 11,732,335,943.68
  5. Step 5: Solve for x
    x = 11,732,335,943.68/119,127.04
  6. Step 6: Final answer
    x = 98,485.92

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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.