Home / 146,416.64-202,054.08-81,885.76

Finding the Fourth Proportional to 146,416.64, 202,054.08 and 81,885.76

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Solution

The fourth proportional to 146,416.64, 202,054.08 and 81,885.76 is: 113,001.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,416.64 : 202,054.08 = 81,885.76 : x
  2. Step 2: Convert to fraction form
    146,416.64/202,054.08 = 81,885.76/x
  3. Step 3: Cross multiply
    146,416.64x = 202,054.08 × 81,885.76
  4. Step 4: Simplify right side
    146,416.64x = 16,545,351,901.90
  5. Step 5: Solve for x
    x = 16,545,351,901.90/146,416.64
  6. Step 6: Final answer
    x = 113,001.85

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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.