Home / 151,271.72-208,812.08-118,921.94

Finding the Fourth Proportional to 151,271.72, 208,812.08 and 118,921.94

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Solution

The fourth proportional to 151,271.72, 208,812.08 and 118,921.94 is: 164,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,271.72 : 208,812.08 = 118,921.94 : x
  2. Step 2: Convert to fraction form
    151,271.72/208,812.08 = 118,921.94/x
  3. Step 3: Cross multiply
    151,271.72x = 208,812.08 × 118,921.94
  4. Step 4: Simplify right side
    151,271.72x = 24,832,337,016.39
  5. Step 5: Solve for x
    x = 24,832,337,016.39/151,271.72
  6. Step 6: Final answer
    x = 164,157.17

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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.