Home / 104,885.10-144,741.60-57,137.22

Finding the Fourth Proportional to 104,885.10, 144,741.60 and 57,137.22

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Solution

The fourth proportional to 104,885.10, 144,741.60 and 57,137.22 is: 78,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,885.10 : 144,741.60 = 57,137.22 : x
  2. Step 2: Convert to fraction form
    104,885.10/144,741.60 = 57,137.22/x
  3. Step 3: Cross multiply
    104,885.10x = 144,741.60 × 57,137.22
  4. Step 4: Simplify right side
    104,885.10x = 8,270,132,642.35
  5. Step 5: Solve for x
    x = 8,270,132,642.35/104,885.10
  6. Step 6: Final answer
    x = 78,849.45

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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.