Home / 138,204.73-190,627.08-84,516.16

Finding the Fourth Proportional to 138,204.73, 190,627.08 and 84,516.16

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Solution

The fourth proportional to 138,204.73, 190,627.08 and 84,516.16 is: 116,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,204.73 : 190,627.08 = 84,516.16 : x
  2. Step 2: Convert to fraction form
    138,204.73/190,627.08 = 84,516.16/x
  3. Step 3: Cross multiply
    138,204.73x = 190,627.08 × 84,516.16
  4. Step 4: Simplify right side
    138,204.73x = 16,111,068,793.61
  5. Step 5: Solve for x
    x = 16,111,068,793.61/138,204.73
  6. Step 6: Final answer
    x = 116,573.93

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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.