Home / 147,897.74-204,197.40-87,487.79

Finding the Fourth Proportional to 147,897.74, 204,197.40 and 87,487.79

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Solution

The fourth proportional to 147,897.74, 204,197.40 and 87,487.79 is: 120,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,897.74 : 204,197.40 = 87,487.79 : x
  2. Step 2: Convert to fraction form
    147,897.74/204,197.40 = 87,487.79/x
  3. Step 3: Cross multiply
    147,897.74x = 204,197.40 × 87,487.79
  4. Step 4: Simplify right side
    147,897.74x = 17,864,778,228.76
  5. Step 5: Solve for x
    x = 17,864,778,228.76/147,897.74
  6. Step 6: Final answer
    x = 120,791.43

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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.