Home / 141,985.63-212,916.30-53,176.87

Finding the Fourth Proportional to 141,985.63, 212,916.30 and 53,176.87

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Solution

The fourth proportional to 141,985.63, 212,916.30 and 53,176.87 is: 79,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,985.63 : 212,916.30 = 53,176.87 : x
  2. Step 2: Convert to fraction form
    141,985.63/212,916.30 = 53,176.87/x
  3. Step 3: Cross multiply
    141,985.63x = 212,916.30 × 53,176.87
  4. Step 4: Simplify right side
    141,985.63x = 11,322,222,405.98
  5. Step 5: Solve for x
    x = 11,322,222,405.98/141,985.63
  6. Step 6: Final answer
    x = 79,742.03

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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.