Home / 155,378.34-233,033.81-55,545.48

Finding the Fourth Proportional to 155,378.34, 233,033.81 and 55,545.48

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Solution

The fourth proportional to 155,378.34, 233,033.81 and 55,545.48 is: 83,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,378.34 : 233,033.81 = 55,545.48 : x
  2. Step 2: Convert to fraction form
    155,378.34/233,033.81 = 55,545.48/x
  3. Step 3: Cross multiply
    155,378.34x = 233,033.81 × 55,545.48
  4. Step 4: Simplify right side
    155,378.34x = 12,943,974,554.95
  5. Step 5: Solve for x
    x = 12,943,974,554.95/155,378.34
  6. Step 6: Final answer
    x = 83,306.17

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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.