Home / 143,598.71-197,333.85-137,012.81

Finding the Fourth Proportional to 143,598.71, 197,333.85 and 137,012.81

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Solution

The fourth proportional to 143,598.71, 197,333.85 and 137,012.81 is: 188,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,598.71 : 197,333.85 = 137,012.81 : x
  2. Step 2: Convert to fraction form
    143,598.71/197,333.85 = 137,012.81/x
  3. Step 3: Cross multiply
    143,598.71x = 197,333.85 × 137,012.81
  4. Step 4: Simplify right side
    143,598.71x = 27,037,264,309.95
  5. Step 5: Solve for x
    x = 27,037,264,309.95/143,598.71
  6. Step 6: Final answer
    x = 188,283.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.