Home / 150,669.12-208,000.80-106,155.84

Finding the Fourth Proportional to 150,669.12, 208,000.80 and 106,155.84

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Solution

The fourth proportional to 150,669.12, 208,000.80 and 106,155.84 is: 146,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,669.12 : 208,000.80 = 106,155.84 : x
  2. Step 2: Convert to fraction form
    150,669.12/208,000.80 = 106,155.84/x
  3. Step 3: Cross multiply
    150,669.12x = 208,000.80 × 106,155.84
  4. Step 4: Simplify right side
    150,669.12x = 22,080,499,644.67
  5. Step 5: Solve for x
    x = 22,080,499,644.67/150,669.12
  6. Step 6: Final answer
    x = 146,549.60

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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.