Home / 140,562.72-193,861.08-100,263.60

Finding the Fourth Proportional to 140,562.72, 193,861.08 and 100,263.60

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Solution

The fourth proportional to 140,562.72, 193,861.08 and 100,263.60 is: 138,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,562.72 : 193,861.08 = 100,263.60 : x
  2. Step 2: Convert to fraction form
    140,562.72/193,861.08 = 100,263.60/x
  3. Step 3: Cross multiply
    140,562.72x = 193,861.08 × 100,263.60
  4. Step 4: Simplify right side
    140,562.72x = 19,437,209,780.69
  5. Step 5: Solve for x
    x = 19,437,209,780.69/140,562.72
  6. Step 6: Final answer
    x = 138,281.40

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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.