Home / 121,746.64-182,649.48-38,641.36

Finding the Fourth Proportional to 121,746.64, 182,649.48 and 38,641.36

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Solution

The fourth proportional to 121,746.64, 182,649.48 and 38,641.36 is: 57,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.64 : 182,649.48 = 38,641.36 : x
  2. Step 2: Convert to fraction form
    121,746.64/182,649.48 = 38,641.36/x
  3. Step 3: Cross multiply
    121,746.64x = 182,649.48 × 38,641.36
  4. Step 4: Simplify right side
    121,746.64x = 7,057,824,310.49
  5. Step 5: Solve for x
    x = 7,057,824,310.49/121,746.64
  6. Step 6: Final answer
    x = 57,971.41

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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.