Home / 280,842.06-421,263.11-93,853.56

Finding the Fourth Proportional to 280,842.06, 421,263.11 and 93,853.56

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Solution

The fourth proportional to 280,842.06, 421,263.11 and 93,853.56 is: 140,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,842.06 : 421,263.11 = 93,853.56 : x
  2. Step 2: Convert to fraction form
    280,842.06/421,263.11 = 93,853.56/x
  3. Step 3: Cross multiply
    280,842.06x = 421,263.11 × 93,853.56
  4. Step 4: Simplify right side
    280,842.06x = 39,537,042,570.17
  5. Step 5: Solve for x
    x = 39,537,042,570.17/280,842.06
  6. Step 6: Final answer
    x = 140,780.35

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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.