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Finding the Fourth Proportional to 183,972, 253,881.60 and 104,484

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Solution

The fourth proportional to 183,972, 253,881.60 and 104,484 is: 144,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,972 : 253,881.60 = 104,484 : x
  2. Step 2: Convert to fraction form
    183,972/253,881.60 = 104,484/x
  3. Step 3: Cross multiply
    183,972x = 253,881.60 × 104,484
  4. Step 4: Simplify right side
    183,972x = 26,526,565,094.40
  5. Step 5: Solve for x
    x = 26,526,565,094.40/183,972
  6. Step 6: Final answer
    x = 144,188.06

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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.