Home / 103,664.40-155,496.60-47,504.40

Finding the Fourth Proportional to 103,664.40, 155,496.60 and 47,504.40

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Solution

The fourth proportional to 103,664.40, 155,496.60 and 47,504.40 is: 71,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.40 : 155,496.60 = 47,504.40 : x
  2. Step 2: Convert to fraction form
    103,664.40/155,496.60 = 47,504.40/x
  3. Step 3: Cross multiply
    103,664.40x = 155,496.60 × 47,504.40
  4. Step 4: Simplify right side
    103,664.40x = 7,386,772,685.04
  5. Step 5: Solve for x
    x = 7,386,772,685.04/103,664.40
  6. Step 6: Final answer
    x = 71,256.60

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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.