Home / 103,490.64-155,106.09-44,256.66

Finding the Fourth Proportional to 103,490.64, 155,106.09 and 44,256.66

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Solution

The fourth proportional to 103,490.64, 155,106.09 and 44,256.66 is: 66,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,490.64 : 155,106.09 = 44,256.66 : x
  2. Step 2: Convert to fraction form
    103,490.64/155,106.09 = 44,256.66/x
  3. Step 3: Cross multiply
    103,490.64x = 155,106.09 × 44,256.66
  4. Step 4: Simplify right side
    103,490.64x = 6,864,477,489.06
  5. Step 5: Solve for x
    x = 6,864,477,489.06/103,490.64
  6. Step 6: Final answer
    x = 66,329.45

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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.