Home / 99,469.02-137,269.80-61,214.34

Finding the Fourth Proportional to 99,469.02, 137,269.80 and 61,214.34

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Solution

The fourth proportional to 99,469.02, 137,269.80 and 61,214.34 is: 84,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469.02 : 137,269.80 = 61,214.34 : x
  2. Step 2: Convert to fraction form
    99,469.02/137,269.80 = 61,214.34/x
  3. Step 3: Cross multiply
    99,469.02x = 137,269.80 × 61,214.34
  4. Step 4: Simplify right side
    99,469.02x = 8,402,880,208.93
  5. Step 5: Solve for x
    x = 8,402,880,208.93/99,469.02
  6. Step 6: Final answer
    x = 84,477.36

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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.