Home / 153,476.40-229,961.16-70,186.80

Finding the Fourth Proportional to 153,476.40, 229,961.16 and 70,186.80

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Solution

The fourth proportional to 153,476.40, 229,961.16 and 70,186.80 is: 105,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,476.40 : 229,961.16 = 70,186.80 : x
  2. Step 2: Convert to fraction form
    153,476.40/229,961.16 = 70,186.80/x
  3. Step 3: Cross multiply
    153,476.40x = 229,961.16 × 70,186.80
  4. Step 4: Simplify right side
    153,476.40x = 16,140,237,944.69
  5. Step 5: Solve for x
    x = 16,140,237,944.69/153,476.40
  6. Step 6: Final answer
    x = 105,164.30

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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.