Home / 147,280.25-220,714.45-79,666.33

Finding the Fourth Proportional to 147,280.25, 220,714.45 and 79,666.33

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Solution

The fourth proportional to 147,280.25, 220,714.45 and 79,666.33 is: 119,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,280.25 : 220,714.45 = 79,666.33 : x
  2. Step 2: Convert to fraction form
    147,280.25/220,714.45 = 79,666.33/x
  3. Step 3: Cross multiply
    147,280.25x = 220,714.45 × 79,666.33
  4. Step 4: Simplify right side
    147,280.25x = 17,583,509,458.52
  5. Step 5: Solve for x
    x = 17,583,509,458.52/147,280.25
  6. Step 6: Final answer
    x = 119,388.10

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1.5x scale

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.