Home / 146,465.04-202,121.28-79,397.04

Finding the Fourth Proportional to 146,465.04, 202,121.28 and 79,397.04

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Solution

The fourth proportional to 146,465.04, 202,121.28 and 79,397.04 is: 109,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,465.04 : 202,121.28 = 79,397.04 : x
  2. Step 2: Convert to fraction form
    146,465.04/202,121.28 = 79,397.04/x
  3. Step 3: Cross multiply
    146,465.04x = 202,121.28 × 79,397.04
  4. Step 4: Simplify right side
    146,465.04x = 16,047,831,353.01
  5. Step 5: Solve for x
    x = 16,047,831,353.01/146,465.04
  6. Step 6: Final answer
    x = 109,567.66

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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.