Home / 147,968.31-204,208.77-90,607.35

Finding the Fourth Proportional to 147,968.31, 204,208.77 and 90,607.35

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Solution

The fourth proportional to 147,968.31, 204,208.77 and 90,607.35 is: 125,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968.31 : 204,208.77 = 90,607.35 : x
  2. Step 2: Convert to fraction form
    147,968.31/204,208.77 = 90,607.35/x
  3. Step 3: Cross multiply
    147,968.31x = 204,208.77 × 90,607.35
  4. Step 4: Simplify right side
    147,968.31x = 18,502,815,496.46
  5. Step 5: Solve for x
    x = 18,502,815,496.46/147,968.31
  6. Step 6: Final answer
    x = 125,045.80

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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.