Home / 146,048.04-201,545.28-78,980.04

Finding the Fourth Proportional to 146,048.04, 201,545.28 and 78,980.04

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Solution

The fourth proportional to 146,048.04, 201,545.28 and 78,980.04 is: 108,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,048.04 : 201,545.28 = 78,980.04 : x
  2. Step 2: Convert to fraction form
    146,048.04/201,545.28 = 78,980.04/x
  3. Step 3: Cross multiply
    146,048.04x = 201,545.28 × 78,980.04
  4. Step 4: Simplify right side
    146,048.04x = 15,918,054,276.21
  5. Step 5: Solve for x
    x = 15,918,054,276.21/146,048.04
  6. Step 6: Final answer
    x = 108,991.91

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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.