Home / 383,841.90-575,746.56-131,145.12

Finding the Fourth Proportional to 383,841.90, 575,746.56 and 131,145.12

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Solution

The fourth proportional to 383,841.90, 575,746.56 and 131,145.12 is: 196,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841.90 : 575,746.56 = 131,145.12 : x
  2. Step 2: Convert to fraction form
    383,841.90/575,746.56 = 131,145.12/x
  3. Step 3: Cross multiply
    383,841.90x = 575,746.56 × 131,145.12
  4. Step 4: Simplify right side
    383,841.90x = 75,506,351,700.79
  5. Step 5: Solve for x
    x = 75,506,351,700.79/383,841.90
  6. Step 6: Final answer
    x = 196,712.11

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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.