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Finding the Fourth Proportional to 158,386.60, 237,448.38 and 83,464.84

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Solution

The fourth proportional to 158,386.60, 237,448.38 and 83,464.84 is: 125,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,386.60 : 237,448.38 = 83,464.84 : x
  2. Step 2: Convert to fraction form
    158,386.60/237,448.38 = 83,464.84/x
  3. Step 3: Cross multiply
    158,386.60x = 237,448.38 × 83,464.84
  4. Step 4: Simplify right side
    158,386.60x = 19,818,591,044.96
  5. Step 5: Solve for x
    x = 19,818,591,044.96/158,386.60
  6. Step 6: Final answer
    x = 125,127.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.