Home / 140,101.13-210,077.43-61,123.09

Finding the Fourth Proportional to 140,101.13, 210,077.43 and 61,123.09

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Solution

The fourth proportional to 140,101.13, 210,077.43 and 61,123.09 is: 91,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,101.13 : 210,077.43 = 61,123.09 : x
  2. Step 2: Convert to fraction form
    140,101.13/210,077.43 = 61,123.09/x
  3. Step 3: Cross multiply
    140,101.13x = 210,077.43 × 61,123.09
  4. Step 4: Simplify right side
    140,101.13x = 12,840,581,660.86
  5. Step 5: Solve for x
    x = 12,840,581,660.86/140,101.13
  6. Step 6: Final answer
    x = 91,652.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.