Home / 252,127.16-347,935.50-137,405.84

Finding the Fourth Proportional to 252,127.16, 347,935.50 and 137,405.84

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Solution

The fourth proportional to 252,127.16, 347,935.50 and 137,405.84 is: 189,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,127.16 : 347,935.50 = 137,405.84 : x
  2. Step 2: Convert to fraction form
    252,127.16/347,935.50 = 137,405.84/x
  3. Step 3: Cross multiply
    252,127.16x = 347,935.50 × 137,405.84
  4. Step 4: Simplify right side
    252,127.16x = 47,808,369,643.32
  5. Step 5: Solve for x
    x = 47,808,369,643.32/252,127.16
  6. Step 6: Final answer
    x = 189,620.07

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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.