Home / 235,484.82-324,973.02-128,058.02

Finding the Fourth Proportional to 235,484.82, 324,973.02 and 128,058.02

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Solution

The fourth proportional to 235,484.82, 324,973.02 and 128,058.02 is: 176,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.82 : 324,973.02 = 128,058.02 : x
  2. Step 2: Convert to fraction form
    235,484.82/324,973.02 = 128,058.02/x
  3. Step 3: Cross multiply
    235,484.82x = 324,973.02 × 128,058.02
  4. Step 4: Simplify right side
    235,484.82x = 41,615,399,869.76
  5. Step 5: Solve for x
    x = 41,615,399,869.76/235,484.82
  6. Step 6: Final answer
    x = 176,722.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.