Home / 140,207.88-210,136.86-70,107.24

Finding the Fourth Proportional to 140,207.88, 210,136.86 and 70,107.24

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Solution

The fourth proportional to 140,207.88, 210,136.86 and 70,107.24 is: 105,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.88 : 210,136.86 = 70,107.24 : x
  2. Step 2: Convert to fraction form
    140,207.88/210,136.86 = 70,107.24/x
  3. Step 3: Cross multiply
    140,207.88x = 210,136.86 × 70,107.24
  4. Step 4: Simplify right side
    140,207.88x = 14,732,115,276.87
  5. Step 5: Solve for x
    x = 14,732,115,276.87/140,207.88
  6. Step 6: Final answer
    x = 105,073.38

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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.