Home / 250,989.56-346,371.18-137,812.76

Finding the Fourth Proportional to 250,989.56, 346,371.18 and 137,812.76

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Solution

The fourth proportional to 250,989.56, 346,371.18 and 137,812.76 is: 190,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,989.56 : 346,371.18 = 137,812.76 : x
  2. Step 2: Convert to fraction form
    250,989.56/346,371.18 = 137,812.76/x
  3. Step 3: Cross multiply
    250,989.56x = 346,371.18 × 137,812.76
  4. Step 4: Simplify right side
    250,989.56x = 47,734,368,300.26
  5. Step 5: Solve for x
    x = 47,734,368,300.26/250,989.56
  6. Step 6: Final answer
    x = 190,184.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.