Home / 105,347.56-158,021.34-42,196.36

Finding the Fourth Proportional to 105,347.56, 158,021.34 and 42,196.36

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Solution

The fourth proportional to 105,347.56, 158,021.34 and 42,196.36 is: 63,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,347.56 : 158,021.34 = 42,196.36 : x
  2. Step 2: Convert to fraction form
    105,347.56/158,021.34 = 42,196.36/x
  3. Step 3: Cross multiply
    105,347.56x = 158,021.34 × 42,196.36
  4. Step 4: Simplify right side
    105,347.56x = 6,667,925,350.32
  5. Step 5: Solve for x
    x = 6,667,925,350.32/105,347.56
  6. Step 6: Final answer
    x = 63,294.54

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1.5x scale

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.