Home / 145,788.27-218,553.62-56,979.74

Finding the Fourth Proportional to 145,788.27, 218,553.62 and 56,979.74

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Solution

The fourth proportional to 145,788.27, 218,553.62 and 56,979.74 is: 85,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788.27 : 218,553.62 = 56,979.74 : x
  2. Step 2: Convert to fraction form
    145,788.27/218,553.62 = 56,979.74/x
  3. Step 3: Cross multiply
    145,788.27x = 218,553.62 × 56,979.74
  4. Step 4: Simplify right side
    145,788.27x = 12,453,127,065.99
  5. Step 5: Solve for x
    x = 12,453,127,065.99/145,788.27
  6. Step 6: Final answer
    x = 85,419.27

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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.