Home / 146,158.90-201,716.30-121,586.30

Finding the Fourth Proportional to 146,158.90, 201,716.30 and 121,586.30

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Solution

The fourth proportional to 146,158.90, 201,716.30 and 121,586.30 is: 167,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,158.90 : 201,716.30 = 121,586.30 : x
  2. Step 2: Convert to fraction form
    146,158.90/201,716.30 = 121,586.30/x
  3. Step 3: Cross multiply
    146,158.90x = 201,716.30 × 121,586.30
  4. Step 4: Simplify right side
    146,158.90x = 24,525,938,566.69
  5. Step 5: Solve for x
    x = 24,525,938,566.69/146,158.90
  6. Step 6: Final answer
    x = 167,803.25

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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.