Home / 176,142.92-243,075.82-99,661.36

Finding the Fourth Proportional to 176,142.92, 243,075.82 and 99,661.36

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Solution

The fourth proportional to 176,142.92, 243,075.82 and 99,661.36 is: 137,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,142.92 : 243,075.82 = 99,661.36 : x
  2. Step 2: Convert to fraction form
    176,142.92/243,075.82 = 99,661.36/x
  3. Step 3: Cross multiply
    176,142.92x = 243,075.82 × 99,661.36
  4. Step 4: Simplify right side
    176,142.92x = 24,225,267,694.20
  5. Step 5: Solve for x
    x = 24,225,267,694.20/176,142.92
  6. Step 6: Final answer
    x = 137,531.89

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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.