Home / 105,662.55-158,503.62-38,211.45

Finding the Fourth Proportional to 105,662.55, 158,503.62 and 38,211.45

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Solution

The fourth proportional to 105,662.55, 158,503.62 and 38,211.45 is: 57,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,662.55 : 158,503.62 = 38,211.45 : x
  2. Step 2: Convert to fraction form
    105,662.55/158,503.62 = 38,211.45/x
  3. Step 3: Cross multiply
    105,662.55x = 158,503.62 × 38,211.45
  4. Step 4: Simplify right side
    105,662.55x = 6,056,653,150.45
  5. Step 5: Solve for x
    x = 6,056,653,150.45/105,662.55
  6. Step 6: Final answer
    x = 57,320.72

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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.