Home / 112,272.63-168,530.27-99,872.07

Finding the Fourth Proportional to 112,272.63, 168,530.27 and 99,872.07

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Solution

The fourth proportional to 112,272.63, 168,530.27 and 99,872.07 is: 149,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,272.63 : 168,530.27 = 99,872.07 : x
  2. Step 2: Convert to fraction form
    112,272.63/168,530.27 = 99,872.07/x
  3. Step 3: Cross multiply
    112,272.63x = 168,530.27 × 99,872.07
  4. Step 4: Simplify right side
    112,272.63x = 16,831,466,423.20
  5. Step 5: Solve for x
    x = 16,831,466,423.20/112,272.63
  6. Step 6: Final answer
    x = 149,916.03

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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.