Home / 102,091.14-140,888.21-56,771.03

Finding the Fourth Proportional to 102,091.14, 140,888.21 and 56,771.03

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Solution

The fourth proportional to 102,091.14, 140,888.21 and 56,771.03 is: 78,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,091.14 : 140,888.21 = 56,771.03 : x
  2. Step 2: Convert to fraction form
    102,091.14/140,888.21 = 56,771.03/x
  3. Step 3: Cross multiply
    102,091.14x = 140,888.21 × 56,771.03
  4. Step 4: Simplify right side
    102,091.14x = 7,998,367,808.26
  5. Step 5: Solve for x
    x = 7,998,367,808.26/102,091.14
  6. Step 6: Final answer
    x = 78,345.37

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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.