Home / 140,059.77-210,089.53-51,320.22

Finding the Fourth Proportional to 140,059.77, 210,089.53 and 51,320.22

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Solution

The fourth proportional to 140,059.77, 210,089.53 and 51,320.22 is: 76,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,059.77 : 210,089.53 = 51,320.22 : x
  2. Step 2: Convert to fraction form
    140,059.77/210,089.53 = 51,320.22/x
  3. Step 3: Cross multiply
    140,059.77x = 210,089.53 × 51,320.22
  4. Step 4: Simplify right side
    140,059.77x = 10,781,840,175.61
  5. Step 5: Solve for x
    x = 10,781,840,175.61/140,059.77
  6. Step 6: Final answer
    x = 76,980.28

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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.