Home / 121,355.21-181,901.32-62,109.65

Finding the Fourth Proportional to 121,355.21, 181,901.32 and 62,109.65

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Solution

The fourth proportional to 121,355.21, 181,901.32 and 62,109.65 is: 93,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,355.21 : 181,901.32 = 62,109.65 : x
  2. Step 2: Convert to fraction form
    121,355.21/181,901.32 = 62,109.65/x
  3. Step 3: Cross multiply
    121,355.21x = 181,901.32 × 62,109.65
  4. Step 4: Simplify right side
    121,355.21x = 11,297,826,254.96
  5. Step 5: Solve for x
    x = 11,297,826,254.96/121,355.21
  6. Step 6: Final answer
    x = 93,097.17

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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.