Home / 121,746.25-182,458.99-51,538.69

Finding the Fourth Proportional to 121,746.25, 182,458.99 and 51,538.69

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Solution

The fourth proportional to 121,746.25, 182,458.99 and 51,538.69 is: 77,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.25 : 182,458.99 = 51,538.69 : x
  2. Step 2: Convert to fraction form
    121,746.25/182,458.99 = 51,538.69/x
  3. Step 3: Cross multiply
    121,746.25x = 182,458.99 × 51,538.69
  4. Step 4: Simplify right side
    121,746.25x = 9,403,697,323.32
  5. Step 5: Solve for x
    x = 9,403,697,323.32/121,746.25
  6. Step 6: Final answer
    x = 77,240.14

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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.