Home / 186,372.09-279,558.10-46,130.72

Finding the Fourth Proportional to 186,372.09, 279,558.10 and 46,130.72

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Solution

The fourth proportional to 186,372.09, 279,558.10 and 46,130.72 is: 69,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,372.09 : 279,558.10 = 46,130.72 : x
  2. Step 2: Convert to fraction form
    186,372.09/279,558.10 = 46,130.72/x
  3. Step 3: Cross multiply
    186,372.09x = 279,558.10 × 46,130.72
  4. Step 4: Simplify right side
    186,372.09x = 12,896,215,094.70
  5. Step 5: Solve for x
    x = 12,896,215,094.70/186,372.09
  6. Step 6: Final answer
    x = 69,196.06

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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.