Home / 99,267.66-137,045.93-65,374.63

Finding the Fourth Proportional to 99,267.66, 137,045.93 and 65,374.63

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Solution

The fourth proportional to 99,267.66, 137,045.93 and 65,374.63 is: 90,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,267.66 : 137,045.93 = 65,374.63 : x
  2. Step 2: Convert to fraction form
    99,267.66/137,045.93 = 65,374.63/x
  3. Step 3: Cross multiply
    99,267.66x = 137,045.93 × 65,374.63
  4. Step 4: Simplify right side
    99,267.66x = 8,959,326,297.27
  5. Step 5: Solve for x
    x = 8,959,326,297.27/99,267.66
  6. Step 6: Final answer
    x = 90,254.23

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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.