Home / 112,178.63-154,817.44-61,877.63

Finding the Fourth Proportional to 112,178.63, 154,817.44 and 61,877.63

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Solution

The fourth proportional to 112,178.63, 154,817.44 and 61,877.63 is: 85,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.63 : 154,817.44 = 61,877.63 : x
  2. Step 2: Convert to fraction form
    112,178.63/154,817.44 = 61,877.63/x
  3. Step 3: Cross multiply
    112,178.63x = 154,817.44 × 61,877.63
  4. Step 4: Simplify right side
    112,178.63x = 9,579,735,495.78
  5. Step 5: Solve for x
    x = 9,579,735,495.78/112,178.63
  6. Step 6: Final answer
    x = 85,397.16

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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.