Home / 426,159.14-638,789.34-141,773.73

Finding the Fourth Proportional to 426,159.14, 638,789.34 and 141,773.73

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Solution

The fourth proportional to 426,159.14, 638,789.34 and 141,773.73 is: 212,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,159.14 : 638,789.34 = 141,773.73 : x
  2. Step 2: Convert to fraction form
    426,159.14/638,789.34 = 141,773.73/x
  3. Step 3: Cross multiply
    426,159.14x = 638,789.34 × 141,773.73
  4. Step 4: Simplify right side
    426,159.14x = 90,563,547,416.04
  5. Step 5: Solve for x
    x = 90,563,547,416.04/426,159.14
  6. Step 6: Final answer
    x = 212,511.10

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1.5x scale

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.