Home / 119,053.02-164,292.69-65,338.92

Finding the Fourth Proportional to 119,053.02, 164,292.69 and 65,338.92

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Solution

The fourth proportional to 119,053.02, 164,292.69 and 65,338.92 is: 90,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,053.02 : 164,292.69 = 65,338.92 : x
  2. Step 2: Convert to fraction form
    119,053.02/164,292.69 = 65,338.92/x
  3. Step 3: Cross multiply
    119,053.02x = 164,292.69 × 65,338.92
  4. Step 4: Simplify right side
    119,053.02x = 10,734,706,928.49
  5. Step 5: Solve for x
    x = 10,734,706,928.49/119,053.02
  6. Step 6: Final answer
    x = 90,167.45

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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.