Home / 148,031.60-222,277.80-85,823.60

Finding the Fourth Proportional to 148,031.60, 222,277.80 and 85,823.60

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Solution

The fourth proportional to 148,031.60, 222,277.80 and 85,823.60 is: 128,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,031.60 : 222,277.80 = 85,823.60 : x
  2. Step 2: Convert to fraction form
    148,031.60/222,277.80 = 85,823.60/x
  3. Step 3: Cross multiply
    148,031.60x = 222,277.80 × 85,823.60
  4. Step 4: Simplify right side
    148,031.60x = 19,076,680,996.08
  5. Step 5: Solve for x
    x = 19,076,680,996.08/148,031.60
  6. Step 6: Final answer
    x = 128,868.98

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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.