Home / 173,009.90-257,795.02-154,145

Finding the Fourth Proportional to 173,009.90, 257,795.02 and 154,145

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Solution

The fourth proportional to 173,009.90, 257,795.02 and 154,145 is: 229,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,009.90 : 257,795.02 = 154,145 : x
  2. Step 2: Convert to fraction form
    173,009.90/257,795.02 = 154,145/x
  3. Step 3: Cross multiply
    173,009.90x = 257,795.02 × 154,145
  4. Step 4: Simplify right side
    173,009.90x = 39,737,813,357.90
  5. Step 5: Solve for x
    x = 39,737,813,357.90/173,009.90
  6. Step 6: Final answer
    x = 229,685.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.