Home / 146,410.51-202,048.68-81,886.72

Finding the Fourth Proportional to 146,410.51, 202,048.68 and 81,886.72

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Solution

The fourth proportional to 146,410.51, 202,048.68 and 81,886.72 is: 113,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,410.51 : 202,048.68 = 81,886.72 : x
  2. Step 2: Convert to fraction form
    146,410.51/202,048.68 = 81,886.72/x
  3. Step 3: Cross multiply
    146,410.51x = 202,048.68 × 81,886.72
  4. Step 4: Simplify right side
    146,410.51x = 16,545,103,685.53
  5. Step 5: Solve for x
    x = 16,545,103,685.53/146,410.51
  6. Step 6: Final answer
    x = 113,004.89

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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.