Home / 149,775.48-206,444.08-106,182.90

Finding the Fourth Proportional to 149,775.48, 206,444.08 and 106,182.90

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Solution

The fourth proportional to 149,775.48, 206,444.08 and 106,182.90 is: 146,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,775.48 : 206,444.08 = 106,182.90 : x
  2. Step 2: Convert to fraction form
    149,775.48/206,444.08 = 106,182.90/x
  3. Step 3: Cross multiply
    149,775.48x = 206,444.08 × 106,182.90
  4. Step 4: Simplify right side
    149,775.48x = 21,920,829,539.10
  5. Step 5: Solve for x
    x = 21,920,829,539.10/149,775.48
  6. Step 6: Final answer
    x = 146,357.94

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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.