Home / 131,596.40-181,607.76-74,998.64

Finding the Fourth Proportional to 131,596.40, 181,607.76 and 74,998.64

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Solution

The fourth proportional to 131,596.40, 181,607.76 and 74,998.64 is: 103,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596.40 : 181,607.76 = 74,998.64 : x
  2. Step 2: Convert to fraction form
    131,596.40/181,607.76 = 74,998.64/x
  3. Step 3: Cross multiply
    131,596.40x = 181,607.76 × 74,998.64
  4. Step 4: Simplify right side
    131,596.40x = 13,620,335,013.45
  5. Step 5: Solve for x
    x = 13,620,335,013.45/131,596.40
  6. Step 6: Final answer
    x = 103,500.82

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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.