Home / 104,876.48-144,740-64,038.36

Finding the Fourth Proportional to 104,876.48, 144,740 and 64,038.36

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Solution

The fourth proportional to 104,876.48, 144,740 and 64,038.36 is: 88,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,876.48 : 144,740 = 64,038.36 : x
  2. Step 2: Convert to fraction form
    104,876.48/144,740 = 64,038.36/x
  3. Step 3: Cross multiply
    104,876.48x = 144,740 × 64,038.36
  4. Step 4: Simplify right side
    104,876.48x = 9,268,912,226.40
  5. Step 5: Solve for x
    x = 9,268,912,226.40/104,876.48
  6. Step 6: Final answer
    x = 88,379.32

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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.