Home / 137,781.28-190,140.24-133,013.60

Finding the Fourth Proportional to 137,781.28, 190,140.24 and 133,013.60

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Solution

The fourth proportional to 137,781.28, 190,140.24 and 133,013.60 is: 183,560.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,781.28 : 190,140.24 = 133,013.60 : x
  2. Step 2: Convert to fraction form
    137,781.28/190,140.24 = 133,013.60/x
  3. Step 3: Cross multiply
    137,781.28x = 190,140.24 × 133,013.60
  4. Step 4: Simplify right side
    137,781.28x = 25,291,237,827.26
  5. Step 5: Solve for x
    x = 25,291,237,827.26/137,781.28
  6. Step 6: Final answer
    x = 183,560.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.