Home / 149,157.52-205,913.55-115,089.46

Finding the Fourth Proportional to 149,157.52, 205,913.55 and 115,089.46

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Solution

The fourth proportional to 149,157.52, 205,913.55 and 115,089.46 is: 158,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,157.52 : 205,913.55 = 115,089.46 : x
  2. Step 2: Convert to fraction form
    149,157.52/205,913.55 = 115,089.46/x
  3. Step 3: Cross multiply
    149,157.52x = 205,913.55 × 115,089.46
  4. Step 4: Simplify right side
    149,157.52x = 23,698,479,276.18
  5. Step 5: Solve for x
    x = 23,698,479,276.18/149,157.52
  6. Step 6: Final answer
    x = 158,882.23

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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.