Home / 103,070.97-154,624.77-53,137.71

Finding the Fourth Proportional to 103,070.97, 154,624.77 and 53,137.71

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Solution

The fourth proportional to 103,070.97, 154,624.77 and 53,137.71 is: 79,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,070.97 : 154,624.77 = 53,137.71 : x
  2. Step 2: Convert to fraction form
    103,070.97/154,624.77 = 53,137.71/x
  3. Step 3: Cross multiply
    103,070.97x = 154,624.77 × 53,137.71
  4. Step 4: Simplify right side
    103,070.97x = 8,216,406,187.08
  5. Step 5: Solve for x
    x = 8,216,406,187.08/103,070.97
  6. Step 6: Final answer
    x = 79,716.01

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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.