Home / 122,320.35-183,480.53-103,657.95

Finding the Fourth Proportional to 122,320.35, 183,480.53 and 103,657.95

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Solution

The fourth proportional to 122,320.35, 183,480.53 and 103,657.95 is: 155,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,320.35 : 183,480.53 = 103,657.95 : x
  2. Step 2: Convert to fraction form
    122,320.35/183,480.53 = 103,657.95/x
  3. Step 3: Cross multiply
    122,320.35x = 183,480.53 × 103,657.95
  4. Step 4: Simplify right side
    122,320.35x = 19,019,215,604.71
  5. Step 5: Solve for x
    x = 19,019,215,604.71/122,320.35
  6. Step 6: Final answer
    x = 155,486.93

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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.