Home / 176,165.49-243,006.71-112,431.45

Finding the Fourth Proportional to 176,165.49, 243,006.71 and 112,431.45

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Solution

The fourth proportional to 176,165.49, 243,006.71 and 112,431.45 is: 155,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,165.49 : 243,006.71 = 112,431.45 : x
  2. Step 2: Convert to fraction form
    176,165.49/243,006.71 = 112,431.45/x
  3. Step 3: Cross multiply
    176,165.49x = 243,006.71 × 112,431.45
  4. Step 4: Simplify right side
    176,165.49x = 27,321,596,202.87
  5. Step 5: Solve for x
    x = 27,321,596,202.87/176,165.49
  6. Step 6: Final answer
    x = 155,090.51

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1.5x scale

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.