Home / 148,682.83-205,185.36-84,152.07

Finding the Fourth Proportional to 148,682.83, 205,185.36 and 84,152.07

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Solution

The fourth proportional to 148,682.83, 205,185.36 and 84,152.07 is: 116,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,682.83 : 205,185.36 = 84,152.07 : x
  2. Step 2: Convert to fraction form
    148,682.83/205,185.36 = 84,152.07/x
  3. Step 3: Cross multiply
    148,682.83x = 205,185.36 × 84,152.07
  4. Step 4: Simplify right side
    148,682.83x = 17,266,772,777.70
  5. Step 5: Solve for x
    x = 17,266,772,777.70/148,682.83
  6. Step 6: Final answer
    x = 116,131.59

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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.