Home / 147,748.86-221,629.77-54,203.58

Finding the Fourth Proportional to 147,748.86, 221,629.77 and 54,203.58

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Solution

The fourth proportional to 147,748.86, 221,629.77 and 54,203.58 is: 81,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748.86 : 221,629.77 = 54,203.58 : x
  2. Step 2: Convert to fraction form
    147,748.86/221,629.77 = 54,203.58/x
  3. Step 3: Cross multiply
    147,748.86x = 221,629.77 × 54,203.58
  4. Step 4: Simplify right side
    147,748.86x = 12,013,126,968.58
  5. Step 5: Solve for x
    x = 12,013,126,968.58/147,748.86
  6. Step 6: Final answer
    x = 81,307.75

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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.