Home / 266,819.08-368,219.82-145,953.16

Finding the Fourth Proportional to 266,819.08, 368,219.82 and 145,953.16

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Solution

The fourth proportional to 266,819.08, 368,219.82 and 145,953.16 is: 201,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,819.08 : 368,219.82 = 145,953.16 : x
  2. Step 2: Convert to fraction form
    266,819.08/368,219.82 = 145,953.16/x
  3. Step 3: Cross multiply
    266,819.08x = 368,219.82 × 145,953.16
  4. Step 4: Simplify right side
    266,819.08x = 53,742,846,303.63
  5. Step 5: Solve for x
    x = 53,742,846,303.63/266,819.08
  6. Step 6: Final answer
    x = 201,420.55

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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.