Home / 152,890.80-229,141.80-136,172.40

Finding the Fourth Proportional to 152,890.80, 229,141.80 and 136,172.40

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Solution

The fourth proportional to 152,890.80, 229,141.80 and 136,172.40 is: 204,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.80 : 229,141.80 = 136,172.40 : x
  2. Step 2: Convert to fraction form
    152,890.80/229,141.80 = 136,172.40/x
  3. Step 3: Cross multiply
    152,890.80x = 229,141.80 × 136,172.40
  4. Step 4: Simplify right side
    152,890.80x = 31,202,788,846.32
  5. Step 5: Solve for x
    x = 31,202,788,846.32/152,890.80
  6. Step 6: Final answer
    x = 204,085.46

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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.