Home / 252,117.02-347,921.55-137,395.71

Finding the Fourth Proportional to 252,117.02, 347,921.55 and 137,395.71

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Solution

The fourth proportional to 252,117.02, 347,921.55 and 137,395.71 is: 189,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,117.02 : 347,921.55 = 137,395.71 : x
  2. Step 2: Convert to fraction form
    252,117.02/347,921.55 = 137,395.71/x
  3. Step 3: Cross multiply
    252,117.02x = 347,921.55 × 137,395.71
  4. Step 4: Simplify right side
    252,117.02x = 47,802,928,386.55
  5. Step 5: Solve for x
    x = 47,802,928,386.55/252,117.02
  6. Step 6: Final answer
    x = 189,606.12

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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.