Home / 137,527.02-205,359.35-109,128.20

Finding the Fourth Proportional to 137,527.02, 205,359.35 and 109,128.20

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Solution

The fourth proportional to 137,527.02, 205,359.35 and 109,128.20 is: 162,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,527.02 : 205,359.35 = 109,128.20 : x
  2. Step 2: Convert to fraction form
    137,527.02/205,359.35 = 109,128.20/x
  3. Step 3: Cross multiply
    137,527.02x = 205,359.35 × 109,128.20
  4. Step 4: Simplify right side
    137,527.02x = 22,410,494,646.23
  5. Step 5: Solve for x
    x = 22,410,494,646.23/137,527.02
  6. Step 6: Final answer
    x = 162,953.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.