Home / 105,266.96-157,901.12-42,092.39

Finding the Fourth Proportional to 105,266.96, 157,901.12 and 42,092.39

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Solution

The fourth proportional to 105,266.96, 157,901.12 and 42,092.39 is: 63,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,266.96 : 157,901.12 = 42,092.39 : x
  2. Step 2: Convert to fraction form
    105,266.96/157,901.12 = 42,092.39/x
  3. Step 3: Cross multiply
    105,266.96x = 157,901.12 × 42,092.39
  4. Step 4: Simplify right side
    105,266.96x = 6,646,435,524.48
  5. Step 5: Solve for x
    x = 6,646,435,524.48/105,266.96
  6. Step 6: Final answer
    x = 63,138.86

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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.