Home / 102,328.40-141,174.37-62,027.45

Finding the Fourth Proportional to 102,328.40, 141,174.37 and 62,027.45

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Solution

The fourth proportional to 102,328.40, 141,174.37 and 62,027.45 is: 85,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.40 : 141,174.37 = 62,027.45 : x
  2. Step 2: Convert to fraction form
    102,328.40/141,174.37 = 62,027.45/x
  3. Step 3: Cross multiply
    102,328.40x = 141,174.37 × 62,027.45
  4. Step 4: Simplify right side
    102,328.40x = 8,756,686,697.18
  5. Step 5: Solve for x
    x = 8,756,686,697.18/102,328.40
  6. Step 6: Final answer
    x = 85,574.36

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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.