Home / 112,335.36-155,022.40-62,034.08

Finding the Fourth Proportional to 112,335.36, 155,022.40 and 62,034.08

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Solution

The fourth proportional to 112,335.36, 155,022.40 and 62,034.08 is: 85,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335.36 : 155,022.40 = 62,034.08 : x
  2. Step 2: Convert to fraction form
    112,335.36/155,022.40 = 62,034.08/x
  3. Step 3: Cross multiply
    112,335.36x = 155,022.40 × 62,034.08
  4. Step 4: Simplify right side
    112,335.36x = 9,616,671,963.39
  5. Step 5: Solve for x
    x = 9,616,671,963.39/112,335.36
  6. Step 6: Final answer
    x = 85,606.81

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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.