Home / 153,342.09-229,940.37-53,490.15

Finding the Fourth Proportional to 153,342.09, 229,940.37 and 53,490.15

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Solution

The fourth proportional to 153,342.09, 229,940.37 and 53,490.15 is: 80,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,342.09 : 229,940.37 = 53,490.15 : x
  2. Step 2: Convert to fraction form
    153,342.09/229,940.37 = 53,490.15/x
  3. Step 3: Cross multiply
    153,342.09x = 229,940.37 × 53,490.15
  4. Step 4: Simplify right side
    153,342.09x = 12,299,544,882.36
  5. Step 5: Solve for x
    x = 12,299,544,882.36/153,342.09
  6. Step 6: Final answer
    x = 80,209.84

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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.