Home / 127,945.23-176,507.37-74,199.15

Finding the Fourth Proportional to 127,945.23, 176,507.37 and 74,199.15

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Solution

The fourth proportional to 127,945.23, 176,507.37 and 74,199.15 is: 102,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.23 : 176,507.37 = 74,199.15 : x
  2. Step 2: Convert to fraction form
    127,945.23/176,507.37 = 74,199.15/x
  3. Step 3: Cross multiply
    127,945.23x = 176,507.37 × 74,199.15
  4. Step 4: Simplify right side
    127,945.23x = 13,096,696,822.74
  5. Step 5: Solve for x
    x = 13,096,696,822.74/127,945.23
  6. Step 6: Final answer
    x = 102,361.74

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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.