Home / 127,161.83-175,507.54-84,142.17

Finding the Fourth Proportional to 127,161.83, 175,507.54 and 84,142.17

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Solution

The fourth proportional to 127,161.83, 175,507.54 and 84,142.17 is: 116,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,161.83 : 175,507.54 = 84,142.17 : x
  2. Step 2: Convert to fraction form
    127,161.83/175,507.54 = 84,142.17/x
  3. Step 3: Cross multiply
    127,161.83x = 175,507.54 × 84,142.17
  4. Step 4: Simplify right side
    127,161.83x = 14,767,585,056.61
  5. Step 5: Solve for x
    x = 14,767,585,056.61/127,161.83
  6. Step 6: Final answer
    x = 116,132.21

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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.