Home / 119,045.53-164,282.34-65,331.43

Finding the Fourth Proportional to 119,045.53, 164,282.34 and 65,331.43

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Solution

The fourth proportional to 119,045.53, 164,282.34 and 65,331.43 is: 90,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,045.53 : 164,282.34 = 65,331.43 : x
  2. Step 2: Convert to fraction form
    119,045.53/164,282.34 = 65,331.43/x
  3. Step 3: Cross multiply
    119,045.53x = 164,282.34 × 65,331.43
  4. Step 4: Simplify right side
    119,045.53x = 10,732,800,030.23
  5. Step 5: Solve for x
    x = 10,732,800,030.23/119,045.53
  6. Step 6: Final answer
    x = 90,157.10

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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.