Home / 146,306.10-219,426.27-87,158.58

Finding the Fourth Proportional to 146,306.10, 219,426.27 and 87,158.58

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Solution

The fourth proportional to 146,306.10, 219,426.27 and 87,158.58 is: 130,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,306.10 : 219,426.27 = 87,158.58 : x
  2. Step 2: Convert to fraction form
    146,306.10/219,426.27 = 87,158.58/x
  3. Step 3: Cross multiply
    146,306.10x = 219,426.27 × 87,158.58
  4. Step 4: Simplify right side
    146,306.10x = 19,124,882,107.90
  5. Step 5: Solve for x
    x = 19,124,882,107.90/146,306.10
  6. Step 6: Final answer
    x = 130,718.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.