Home / 122,001.32-183,064.62-92,409.32

Finding the Fourth Proportional to 122,001.32, 183,064.62 and 92,409.32

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Solution

The fourth proportional to 122,001.32, 183,064.62 and 92,409.32 is: 138,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,001.32 : 183,064.62 = 92,409.32 : x
  2. Step 2: Convert to fraction form
    122,001.32/183,064.62 = 92,409.32/x
  3. Step 3: Cross multiply
    122,001.32x = 183,064.62 × 92,409.32
  4. Step 4: Simplify right side
    122,001.32x = 16,916,877,050.26
  5. Step 5: Solve for x
    x = 16,916,877,050.26/122,001.32
  6. Step 6: Final answer
    x = 138,661.43

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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.