Home / 342,829.40-513,929.04-118,136.36

Finding the Fourth Proportional to 342,829.40, 513,929.04 and 118,136.36

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Solution

The fourth proportional to 342,829.40, 513,929.04 and 118,136.36 is: 177,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,829.40 : 513,929.04 = 118,136.36 : x
  2. Step 2: Convert to fraction form
    342,829.40/513,929.04 = 118,136.36/x
  3. Step 3: Cross multiply
    342,829.40x = 513,929.04 × 118,136.36
  4. Step 4: Simplify right side
    342,829.40x = 60,713,706,083.89
  5. Step 5: Solve for x
    x = 60,713,706,083.89/342,829.40
  6. Step 6: Final answer
    x = 177,095.97

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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.