Home / 151,462.40-209,009.58-83,479.17

Finding the Fourth Proportional to 151,462.40, 209,009.58 and 83,479.17

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Solution

The fourth proportional to 151,462.40, 209,009.58 and 83,479.17 is: 115,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,462.40 : 209,009.58 = 83,479.17 : x
  2. Step 2: Convert to fraction form
    151,462.40/209,009.58 = 83,479.17/x
  3. Step 3: Cross multiply
    151,462.40x = 209,009.58 × 83,479.17
  4. Step 4: Simplify right side
    151,462.40x = 17,447,946,260.45
  5. Step 5: Solve for x
    x = 17,447,946,260.45/151,462.40
  6. Step 6: Final answer
    x = 115,196.55

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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.