Home / 99,398.37-137,170.08-54,076.34

Finding the Fourth Proportional to 99,398.37, 137,170.08 and 54,076.34

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Solution

The fourth proportional to 99,398.37, 137,170.08 and 54,076.34 is: 74,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.37 : 137,170.08 = 54,076.34 : x
  2. Step 2: Convert to fraction form
    99,398.37/137,170.08 = 54,076.34/x
  3. Step 3: Cross multiply
    99,398.37x = 137,170.08 × 54,076.34
  4. Step 4: Simplify right side
    99,398.37x = 7,417,656,024.05
  5. Step 5: Solve for x
    x = 7,417,656,024.05/99,398.37
  6. Step 6: Final answer
    x = 74,625.53

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1.5x scale

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.