Home / 197,478.30-272,518.92-106,833.98

Finding the Fourth Proportional to 197,478.30, 272,518.92 and 106,833.98

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Solution

The fourth proportional to 197,478.30, 272,518.92 and 106,833.98 is: 147,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,478.30 : 272,518.92 = 106,833.98 : x
  2. Step 2: Convert to fraction form
    197,478.30/272,518.92 = 106,833.98/x
  3. Step 3: Cross multiply
    197,478.30x = 272,518.92 × 106,833.98
  4. Step 4: Simplify right side
    197,478.30x = 29,114,280,848.90
  5. Step 5: Solve for x
    x = 29,114,280,848.90/197,478.30
  6. Step 6: Final answer
    x = 147,430.28

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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.