Home / 169,803.36-234,329.76-106,178.40

Finding the Fourth Proportional to 169,803.36, 234,329.76 and 106,178.40

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Solution

The fourth proportional to 169,803.36, 234,329.76 and 106,178.40 is: 146,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803.36 : 234,329.76 = 106,178.40 : x
  2. Step 2: Convert to fraction form
    169,803.36/234,329.76 = 106,178.40/x
  3. Step 3: Cross multiply
    169,803.36x = 234,329.76 × 106,178.40
  4. Step 4: Simplify right side
    169,803.36x = 24,880,758,989.18
  5. Step 5: Solve for x
    x = 24,880,758,989.18/169,803.36
  6. Step 6: Final answer
    x = 146,526.89

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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.