Home / 120,820.24-181,130.58-53,304.16

Finding the Fourth Proportional to 120,820.24, 181,130.58 and 53,304.16

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Solution

The fourth proportional to 120,820.24, 181,130.58 and 53,304.16 is: 79,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,820.24 : 181,130.58 = 53,304.16 : x
  2. Step 2: Convert to fraction form
    120,820.24/181,130.58 = 53,304.16/x
  3. Step 3: Cross multiply
    120,820.24x = 181,130.58 × 53,304.16
  4. Step 4: Simplify right side
    120,820.24x = 9,655,013,417.21
  5. Step 5: Solve for x
    x = 9,655,013,417.21/120,820.24
  6. Step 6: Final answer
    x = 79,912.22

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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.