Home / 178,171.09-245,880.07-101,688.64

Finding the Fourth Proportional to 178,171.09, 245,880.07 and 101,688.64

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Solution

The fourth proportional to 178,171.09, 245,880.07 and 101,688.64 is: 140,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,171.09 : 245,880.07 = 101,688.64 : x
  2. Step 2: Convert to fraction form
    178,171.09/245,880.07 = 101,688.64/x
  3. Step 3: Cross multiply
    178,171.09x = 245,880.07 × 101,688.64
  4. Step 4: Simplify right side
    178,171.09x = 25,003,209,052.48
  5. Step 5: Solve for x
    x = 25,003,209,052.48/178,171.09
  6. Step 6: Final answer
    x = 140,332.58

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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.