Home / 140,151.36-210,260.51-45,381.64

Finding the Fourth Proportional to 140,151.36, 210,260.51 and 45,381.64

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Solution

The fourth proportional to 140,151.36, 210,260.51 and 45,381.64 is: 68,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,151.36 : 210,260.51 = 45,381.64 : x
  2. Step 2: Convert to fraction form
    140,151.36/210,260.51 = 45,381.64/x
  3. Step 3: Cross multiply
    140,151.36x = 210,260.51 × 45,381.64
  4. Step 4: Simplify right side
    140,151.36x = 9,541,966,358.84
  5. Step 5: Solve for x
    x = 9,541,966,358.84/140,151.36
  6. Step 6: Final answer
    x = 68,083.30

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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.