Home / 253,569.18-349,922.52-138,846.72

Finding the Fourth Proportional to 253,569.18, 349,922.52 and 138,846.72

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Solution

The fourth proportional to 253,569.18, 349,922.52 and 138,846.72 is: 191,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,569.18 : 349,922.52 = 138,846.72 : x
  2. Step 2: Convert to fraction form
    253,569.18/349,922.52 = 138,846.72/x
  3. Step 3: Cross multiply
    253,569.18x = 349,922.52 × 138,846.72
  4. Step 4: Simplify right side
    253,569.18x = 48,585,594,156.13
  5. Step 5: Solve for x
    x = 48,585,594,156.13/253,569.18
  6. Step 6: Final answer
    x = 191,606.86

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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.