Home / 146,013.91-201,498.81-81,482.46

Finding the Fourth Proportional to 146,013.91, 201,498.81 and 81,482.46

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Solution

The fourth proportional to 146,013.91, 201,498.81 and 81,482.46 is: 112,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,013.91 : 201,498.81 = 81,482.46 : x
  2. Step 2: Convert to fraction form
    146,013.91/201,498.81 = 81,482.46/x
  3. Step 3: Cross multiply
    146,013.91x = 201,498.81 × 81,482.46
  4. Step 4: Simplify right side
    146,013.91x = 16,418,618,725.87
  5. Step 5: Solve for x
    x = 16,418,618,725.87/146,013.91
  6. Step 6: Final answer
    x = 112,445.58

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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.