Home / 122,293.18-183,409.39-69,008.55

Finding the Fourth Proportional to 122,293.18, 183,409.39 and 69,008.55

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Solution

The fourth proportional to 122,293.18, 183,409.39 and 69,008.55 is: 103,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,293.18 : 183,409.39 = 69,008.55 : x
  2. Step 2: Convert to fraction form
    122,293.18/183,409.39 = 69,008.55/x
  3. Step 3: Cross multiply
    122,293.18x = 183,409.39 × 69,008.55
  4. Step 4: Simplify right side
    122,293.18x = 12,656,816,060.28
  5. Step 5: Solve for x
    x = 12,656,816,060.28/122,293.18
  6. Step 6: Final answer
    x = 103,495.68

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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.