Home / 141,142.58-194,775.93-76,613.10

Finding the Fourth Proportional to 141,142.58, 194,775.93 and 76,613.10

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Solution

The fourth proportional to 141,142.58, 194,775.93 and 76,613.10 is: 105,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,142.58 : 194,775.93 = 76,613.10 : x
  2. Step 2: Convert to fraction form
    141,142.58/194,775.93 = 76,613.10/x
  3. Step 3: Cross multiply
    141,142.58x = 194,775.93 × 76,613.10
  4. Step 4: Simplify right side
    141,142.58x = 14,922,386,445.74
  5. Step 5: Solve for x
    x = 14,922,386,445.74/141,142.58
  6. Step 6: Final answer
    x = 105,725.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.