Home / 140,279.18-210,419.57-46,784.66

Finding the Fourth Proportional to 140,279.18, 210,419.57 and 46,784.66

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Solution

The fourth proportional to 140,279.18, 210,419.57 and 46,784.66 is: 70,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,279.18 : 210,419.57 = 46,784.66 : x
  2. Step 2: Convert to fraction form
    140,279.18/210,419.57 = 46,784.66/x
  3. Step 3: Cross multiply
    140,279.18x = 210,419.57 × 46,784.66
  4. Step 4: Simplify right side
    140,279.18x = 9,844,407,104.66
  5. Step 5: Solve for x
    x = 9,844,407,104.66/140,279.18
  6. Step 6: Final answer
    x = 70,177.25

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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.