Home / 261,977.08-392,637.03-112,041.36

Finding the Fourth Proportional to 261,977.08, 392,637.03 and 112,041.36

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Solution

The fourth proportional to 261,977.08, 392,637.03 and 112,041.36 is: 167,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,977.08 : 392,637.03 = 112,041.36 : x
  2. Step 2: Convert to fraction form
    261,977.08/392,637.03 = 112,041.36/x
  3. Step 3: Cross multiply
    261,977.08x = 392,637.03 × 112,041.36
  4. Step 4: Simplify right side
    261,977.08x = 43,991,586,827.56
  5. Step 5: Solve for x
    x = 43,991,586,827.56/261,977.08
  6. Step 6: Final answer
    x = 167,921.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.