Home / 108,781.98-150,134.07-61,038.15

Finding the Fourth Proportional to 108,781.98, 150,134.07 and 61,038.15

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Solution

The fourth proportional to 108,781.98, 150,134.07 and 61,038.15 is: 84,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,781.98 : 150,134.07 = 61,038.15 : x
  2. Step 2: Convert to fraction form
    108,781.98/150,134.07 = 61,038.15/x
  3. Step 3: Cross multiply
    108,781.98x = 150,134.07 × 61,038.15
  4. Step 4: Simplify right side
    108,781.98x = 9,163,905,884.77
  5. Step 5: Solve for x
    x = 9,163,905,884.77/108,781.98
  6. Step 6: Final answer
    x = 84,241.03

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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.