Home / 152,914.40-229,371.60-121,421.60

Finding the Fourth Proportional to 152,914.40, 229,371.60 and 121,421.60

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Solution

The fourth proportional to 152,914.40, 229,371.60 and 121,421.60 is: 182,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,914.40 : 229,371.60 = 121,421.60 : x
  2. Step 2: Convert to fraction form
    152,914.40/229,371.60 = 121,421.60/x
  3. Step 3: Cross multiply
    152,914.40x = 229,371.60 × 121,421.60
  4. Step 4: Simplify right side
    152,914.40x = 27,850,666,666.56
  5. Step 5: Solve for x
    x = 27,850,666,666.56/152,914.40
  6. Step 6: Final answer
    x = 182,132.40

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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.