Home / 121,624.25-182,389.90-58,426.37

Finding the Fourth Proportional to 121,624.25, 182,389.90 and 58,426.37

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Solution

The fourth proportional to 121,624.25, 182,389.90 and 58,426.37 is: 87,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.25 : 182,389.90 = 58,426.37 : x
  2. Step 2: Convert to fraction form
    121,624.25/182,389.90 = 58,426.37/x
  3. Step 3: Cross multiply
    121,624.25x = 182,389.90 × 58,426.37
  4. Step 4: Simplify right side
    121,624.25x = 10,656,378,869.71
  5. Step 5: Solve for x
    x = 10,656,378,869.71/121,624.25
  6. Step 6: Final answer
    x = 87,617.22

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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.