Home / 140,639.22-210,959.78-57,533.22

Finding the Fourth Proportional to 140,639.22, 210,959.78 and 57,533.22

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Solution

The fourth proportional to 140,639.22, 210,959.78 and 57,533.22 is: 86,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,639.22 : 210,959.78 = 57,533.22 : x
  2. Step 2: Convert to fraction form
    140,639.22/210,959.78 = 57,533.22/x
  3. Step 3: Cross multiply
    140,639.22x = 210,959.78 × 57,533.22
  4. Step 4: Simplify right side
    140,639.22x = 12,137,195,146.23
  5. Step 5: Solve for x
    x = 12,137,195,146.23/140,639.22
  6. Step 6: Final answer
    x = 86,300.22

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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.