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Finding the Fourth Proportional to 186,483.84, 279,726 and 142,361.08

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Solution

The fourth proportional to 186,483.84, 279,726 and 142,361.08 is: 213,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,483.84 : 279,726 = 142,361.08 : x
  2. Step 2: Convert to fraction form
    186,483.84/279,726 = 142,361.08/x
  3. Step 3: Cross multiply
    186,483.84x = 279,726 × 142,361.08
  4. Step 4: Simplify right side
    186,483.84x = 39,822,095,464.08
  5. Step 5: Solve for x
    x = 39,822,095,464.08/186,483.84
  6. Step 6: Final answer
    x = 213,541.80

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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.