Home / 99,577.90-137,415.77-54,256.26

Finding the Fourth Proportional to 99,577.90, 137,415.77 and 54,256.26

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Solution

The fourth proportional to 99,577.90, 137,415.77 and 54,256.26 is: 74,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,577.90 : 137,415.77 = 54,256.26 : x
  2. Step 2: Convert to fraction form
    99,577.90/137,415.77 = 54,256.26/x
  3. Step 3: Cross multiply
    99,577.90x = 137,415.77 × 54,256.26
  4. Step 4: Simplify right side
    99,577.90x = 7,455,665,745.22
  5. Step 5: Solve for x
    x = 7,455,665,745.22/99,577.90
  6. Step 6: Final answer
    x = 74,872.70

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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.