Home / 136,160.16-204,239.52-47,412.96

Finding the Fourth Proportional to 136,160.16, 204,239.52 and 47,412.96

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Solution

The fourth proportional to 136,160.16, 204,239.52 and 47,412.96 is: 71,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,160.16 : 204,239.52 = 47,412.96 : x
  2. Step 2: Convert to fraction form
    136,160.16/204,239.52 = 47,412.96/x
  3. Step 3: Cross multiply
    136,160.16x = 204,239.52 × 47,412.96
  4. Step 4: Simplify right side
    136,160.16x = 9,683,600,192.18
  5. Step 5: Solve for x
    x = 9,683,600,192.18/136,160.16
  6. Step 6: Final answer
    x = 71,119.19

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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.