Home / 151,259.40-208,729.71-83,273.81

Finding the Fourth Proportional to 151,259.40, 208,729.71 and 83,273.81

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Solution

The fourth proportional to 151,259.40, 208,729.71 and 83,273.81 is: 114,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,259.40 : 208,729.71 = 83,273.81 : x
  2. Step 2: Convert to fraction form
    151,259.40/208,729.71 = 83,273.81/x
  3. Step 3: Cross multiply
    151,259.40x = 208,729.71 × 83,273.81
  4. Step 4: Simplify right side
    151,259.40x = 17,381,717,168.25
  5. Step 5: Solve for x
    x = 17,381,717,168.25/151,259.40
  6. Step 6: Final answer
    x = 114,913.30

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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.