Home / 140,115.14-210,225.29-83,995.24

Finding the Fourth Proportional to 140,115.14, 210,225.29 and 83,995.24

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Solution

The fourth proportional to 140,115.14, 210,225.29 and 83,995.24 is: 126,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,115.14 : 210,225.29 = 83,995.24 : x
  2. Step 2: Convert to fraction form
    140,115.14/210,225.29 = 83,995.24/x
  3. Step 3: Cross multiply
    140,115.14x = 210,225.29 × 83,995.24
  4. Step 4: Simplify right side
    140,115.14x = 17,657,922,636.49
  5. Step 5: Solve for x
    x = 17,657,922,636.49/140,115.14
  6. Step 6: Final answer
    x = 126,024.37

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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.