Home / 99,230.10-136,937.00-53,907.72

Finding the Fourth Proportional to 99,230.10, 136,937.00 and 53,907.72

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Solution

The fourth proportional to 99,230.10, 136,937.00 and 53,907.72 is: 74,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,230.10 : 136,937.00 = 53,907.72 : x
  2. Step 2: Convert to fraction form
    99,230.10/136,937.00 = 53,907.72/x
  3. Step 3: Cross multiply
    99,230.10x = 136,937.00 × 53,907.72
  4. Step 4: Simplify right side
    99,230.10x = 7,381,961,184.10
  5. Step 5: Solve for x
    x = 7,381,961,184.10/99,230.10
  6. Step 6: Final answer
    x = 74,392.36

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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.