Home / 175,354.73-263,071.07-81,809.45

Finding the Fourth Proportional to 175,354.73, 263,071.07 and 81,809.45

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Solution

The fourth proportional to 175,354.73, 263,071.07 and 81,809.45 is: 122,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,354.73 : 263,071.07 = 81,809.45 : x
  2. Step 2: Convert to fraction form
    175,354.73/263,071.07 = 81,809.45/x
  3. Step 3: Cross multiply
    175,354.73x = 263,071.07 × 81,809.45
  4. Step 4: Simplify right side
    175,354.73x = 21,521,697,823.21
  5. Step 5: Solve for x
    x = 21,521,697,823.21/175,354.73
  6. Step 6: Final answer
    x = 122,732.35

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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.