Home / 194,868.48-268,918.08-105,444.48

Finding the Fourth Proportional to 194,868.48, 268,918.08 and 105,444.48

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Solution

The fourth proportional to 194,868.48, 268,918.08 and 105,444.48 is: 145,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,868.48 : 268,918.08 = 105,444.48 : x
  2. Step 2: Convert to fraction form
    194,868.48/268,918.08 = 105,444.48/x
  3. Step 3: Cross multiply
    194,868.48x = 268,918.08 × 105,444.48
  4. Step 4: Simplify right side
    194,868.48x = 28,355,927,108.20
  5. Step 5: Solve for x
    x = 28,355,927,108.20/194,868.48
  6. Step 6: Final answer
    x = 145,513.15

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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.