Home / 140,204.88-210,132.36-70,104.24

Finding the Fourth Proportional to 140,204.88, 210,132.36 and 70,104.24

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Solution

The fourth proportional to 140,204.88, 210,132.36 and 70,104.24 is: 105,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204.88 : 210,132.36 = 70,104.24 : x
  2. Step 2: Convert to fraction form
    140,204.88/210,132.36 = 70,104.24/x
  3. Step 3: Cross multiply
    140,204.88x = 210,132.36 × 70,104.24
  4. Step 4: Simplify right side
    140,204.88x = 14,731,169,397.21
  5. Step 5: Solve for x
    x = 14,731,169,397.21/140,204.88
  6. Step 6: Final answer
    x = 105,068.88

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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.