Home / 119,802.34-165,401.49-84,136.42

Finding the Fourth Proportional to 119,802.34, 165,401.49 and 84,136.42

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Solution

The fourth proportional to 119,802.34, 165,401.49 and 84,136.42 is: 116,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.34 : 165,401.49 = 84,136.42 : x
  2. Step 2: Convert to fraction form
    119,802.34/165,401.49 = 84,136.42/x
  3. Step 3: Cross multiply
    119,802.34x = 165,401.49 × 84,136.42
  4. Step 4: Simplify right side
    119,802.34x = 13,916,289,231.27
  5. Step 5: Solve for x
    x = 13,916,289,231.27/119,802.34
  6. Step 6: Final answer
    x = 116,160.41

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1.5x scale

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.