Home / 196,688.71-271,430.03-110,647.76

Finding the Fourth Proportional to 196,688.71, 271,430.03 and 110,647.76

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Solution

The fourth proportional to 196,688.71, 271,430.03 and 110,647.76 is: 152,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,688.71 : 271,430.03 = 110,647.76 : x
  2. Step 2: Convert to fraction form
    196,688.71/271,430.03 = 110,647.76/x
  3. Step 3: Cross multiply
    196,688.71x = 271,430.03 × 110,647.76
  4. Step 4: Simplify right side
    196,688.71x = 30,033,122,957.71
  5. Step 5: Solve for x
    x = 30,033,122,957.71/196,688.71
  6. Step 6: Final answer
    x = 152,693.68

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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.