Home / 146,303.40-219,455.10-99,064.20

Finding the Fourth Proportional to 146,303.40, 219,455.10 and 99,064.20

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Solution

The fourth proportional to 146,303.40, 219,455.10 and 99,064.20 is: 148,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,303.40 : 219,455.10 = 99,064.20 : x
  2. Step 2: Convert to fraction form
    146,303.40/219,455.10 = 99,064.20/x
  3. Step 3: Cross multiply
    146,303.40x = 219,455.10 × 99,064.20
  4. Step 4: Simplify right side
    146,303.40x = 21,740,143,917.42
  5. Step 5: Solve for x
    x = 21,740,143,917.42/146,303.40
  6. Step 6: Final answer
    x = 148,596.30

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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.