Home / 147,357.83-221,046.45-53,929.19

Finding the Fourth Proportional to 147,357.83, 221,046.45 and 53,929.19

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Solution

The fourth proportional to 147,357.83, 221,046.45 and 53,929.19 is: 80,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,357.83 : 221,046.45 = 53,929.19 : x
  2. Step 2: Convert to fraction form
    147,357.83/221,046.45 = 53,929.19/x
  3. Step 3: Cross multiply
    147,357.83x = 221,046.45 × 53,929.19
  4. Step 4: Simplify right side
    147,357.83x = 11,920,854,895.64
  5. Step 5: Solve for x
    x = 11,920,854,895.64/147,357.83
  6. Step 6: Final answer
    x = 80,897.33

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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.