Home / 202,776.95-279,827.19-112,130.53

Finding the Fourth Proportional to 202,776.95, 279,827.19 and 112,130.53

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Solution

The fourth proportional to 202,776.95, 279,827.19 and 112,130.53 is: 154,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,776.95 : 279,827.19 = 112,130.53 : x
  2. Step 2: Convert to fraction form
    202,776.95/279,827.19 = 112,130.53/x
  3. Step 3: Cross multiply
    202,776.95x = 279,827.19 × 112,130.53
  4. Step 4: Simplify right side
    202,776.95x = 31,377,170,423.54
  5. Step 5: Solve for x
    x = 31,377,170,423.54/202,776.95
  6. Step 6: Final answer
    x = 154,737.36

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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.