Home / 250,111.67-345,154.28-135,389.95

Finding the Fourth Proportional to 250,111.67, 345,154.28 and 135,389.95

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Solution

The fourth proportional to 250,111.67, 345,154.28 and 135,389.95 is: 186,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,111.67 : 345,154.28 = 135,389.95 : x
  2. Step 2: Convert to fraction form
    250,111.67/345,154.28 = 135,389.95/x
  3. Step 3: Cross multiply
    250,111.67x = 345,154.28 × 135,389.95
  4. Step 4: Simplify right side
    250,111.67x = 46,730,420,711.49
  5. Step 5: Solve for x
    x = 46,730,420,711.49/250,111.67
  6. Step 6: Final answer
    x = 186,838.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.