Home / 152,108.40-227,940.72-85,567.08

Finding the Fourth Proportional to 152,108.40, 227,940.72 and 85,567.08

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Solution

The fourth proportional to 152,108.40, 227,940.72 and 85,567.08 is: 128,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,108.40 : 227,940.72 = 85,567.08 : x
  2. Step 2: Convert to fraction form
    152,108.40/227,940.72 = 85,567.08/x
  3. Step 3: Cross multiply
    152,108.40x = 227,940.72 × 85,567.08
  4. Step 4: Simplify right side
    152,108.40x = 19,504,221,823.50
  5. Step 5: Solve for x
    x = 19,504,221,823.50/152,108.40
  6. Step 6: Final answer
    x = 128,225.80

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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.