Home / 148,848.90-223,014.15-128,112.90

Finding the Fourth Proportional to 148,848.90, 223,014.15 and 128,112.90

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Solution

The fourth proportional to 148,848.90, 223,014.15 and 128,112.90 is: 191,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,848.90 : 223,014.15 = 128,112.90 : x
  2. Step 2: Convert to fraction form
    148,848.90/223,014.15 = 128,112.90/x
  3. Step 3: Cross multiply
    148,848.90x = 223,014.15 × 128,112.90
  4. Step 4: Simplify right side
    148,848.90x = 28,570,989,497.54
  5. Step 5: Solve for x
    x = 28,570,989,497.54/148,848.90
  6. Step 6: Final answer
    x = 191,946.26

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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.