Home / 99,300.19-137,002.75-61,596.31

Finding the Fourth Proportional to 99,300.19, 137,002.75 and 61,596.31

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Solution

The fourth proportional to 99,300.19, 137,002.75 and 61,596.31 is: 84,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.19 : 137,002.75 = 61,596.31 : x
  2. Step 2: Convert to fraction form
    99,300.19/137,002.75 = 61,596.31/x
  3. Step 3: Cross multiply
    99,300.19x = 137,002.75 × 61,596.31
  4. Step 4: Simplify right side
    99,300.19x = 8,438,863,859.85
  5. Step 5: Solve for x
    x = 8,438,863,859.85/99,300.19
  6. Step 6: Final answer
    x = 84,983.36

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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.