Home / 91,284.65-136,927.04-59,721.23

Finding the Fourth Proportional to 91,284.65, 136,927.04 and 59,721.23

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Solution

The fourth proportional to 91,284.65, 136,927.04 and 59,721.23 is: 89,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,284.65 : 136,927.04 = 59,721.23 : x
  2. Step 2: Convert to fraction form
    91,284.65/136,927.04 = 59,721.23/x
  3. Step 3: Cross multiply
    91,284.65x = 136,927.04 × 59,721.23
  4. Step 4: Simplify right side
    91,284.65x = 8,177,451,628.70
  5. Step 5: Solve for x
    x = 8,177,451,628.70/91,284.65
  6. Step 6: Final answer
    x = 89,581.89

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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.