Home / 423,276.76-634,934.58-107,736.40

Finding the Fourth Proportional to 423,276.76, 634,934.58 and 107,736.40

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Solution

The fourth proportional to 423,276.76, 634,934.58 and 107,736.40 is: 161,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,276.76 : 634,934.58 = 107,736.40 : x
  2. Step 2: Convert to fraction form
    423,276.76/634,934.58 = 107,736.40/x
  3. Step 3: Cross multiply
    423,276.76x = 634,934.58 × 107,736.40
  4. Step 4: Simplify right side
    423,276.76x = 68,405,565,884.71
  5. Step 5: Solve for x
    x = 68,405,565,884.71/423,276.76
  6. Step 6: Final answer
    x = 161,609.55

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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.