Home / 153,330.28-229,917.64-70,153

Finding the Fourth Proportional to 153,330.28, 229,917.64 and 70,153

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Solution

The fourth proportional to 153,330.28, 229,917.64 and 70,153 is: 105,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,330.28 : 229,917.64 = 70,153 : x
  2. Step 2: Convert to fraction form
    153,330.28/229,917.64 = 70,153/x
  3. Step 3: Cross multiply
    153,330.28x = 229,917.64 × 70,153
  4. Step 4: Simplify right side
    153,330.28x = 16,129,412,198.92
  5. Step 5: Solve for x
    x = 16,129,412,198.92/153,330.28
  6. Step 6: Final answer
    x = 105,193.91

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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.