Home / 146,165.13-218,614.23-86,050.35

Finding the Fourth Proportional to 146,165.13, 218,614.23 and 86,050.35

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Solution

The fourth proportional to 146,165.13, 218,614.23 and 86,050.35 is: 128,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,165.13 : 218,614.23 = 86,050.35 : x
  2. Step 2: Convert to fraction form
    146,165.13/218,614.23 = 86,050.35/x
  3. Step 3: Cross multiply
    146,165.13x = 218,614.23 × 86,050.35
  4. Step 4: Simplify right side
    146,165.13x = 18,811,831,006.48
  5. Step 5: Solve for x
    x = 18,811,831,006.48/146,165.13
  6. Step 6: Final answer
    x = 128,702.59

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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.