Home / 122,330.10-183,495.15-103,667.70

Finding the Fourth Proportional to 122,330.10, 183,495.15 and 103,667.70

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Solution

The fourth proportional to 122,330.10, 183,495.15 and 103,667.70 is: 155,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,330.10 : 183,495.15 = 103,667.70 : x
  2. Step 2: Convert to fraction form
    122,330.10/183,495.15 = 103,667.70/x
  3. Step 3: Cross multiply
    122,330.10x = 183,495.15 × 103,667.70
  4. Step 4: Simplify right side
    122,330.10x = 19,022,520,161.66
  5. Step 5: Solve for x
    x = 19,022,520,161.66/122,330.10
  6. Step 6: Final answer
    x = 155,501.55

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1.5x scale

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.