Home / 147,187.40-220,714.68-41,981.36

Finding the Fourth Proportional to 147,187.40, 220,714.68 and 41,981.36

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Solution

The fourth proportional to 147,187.40, 220,714.68 and 41,981.36 is: 62,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187.40 : 220,714.68 = 41,981.36 : x
  2. Step 2: Convert to fraction form
    147,187.40/220,714.68 = 41,981.36/x
  3. Step 3: Cross multiply
    147,187.40x = 220,714.68 × 41,981.36
  4. Step 4: Simplify right side
    147,187.40x = 9,265,902,438.36
  5. Step 5: Solve for x
    x = 9,265,902,438.36/147,187.40
  6. Step 6: Final answer
    x = 62,953.10

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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.