Home / 140,360.20-210,606.70-72,856.36

Finding the Fourth Proportional to 140,360.20, 210,606.70 and 72,856.36

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Solution

The fourth proportional to 140,360.20, 210,606.70 and 72,856.36 is: 109,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,360.20 : 210,606.70 = 72,856.36 : x
  2. Step 2: Convert to fraction form
    140,360.20/210,606.70 = 72,856.36/x
  3. Step 3: Cross multiply
    140,360.20x = 210,606.70 × 72,856.36
  4. Step 4: Simplify right side
    140,360.20x = 15,344,037,553.61
  5. Step 5: Solve for x
    x = 15,344,037,553.61/140,360.20
  6. Step 6: Final answer
    x = 109,319.01

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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.