Home / 142,925.56-197,232.30-79,269.28

Finding the Fourth Proportional to 142,925.56, 197,232.30 and 79,269.28

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Solution

The fourth proportional to 142,925.56, 197,232.30 and 79,269.28 is: 109,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.56 : 197,232.30 = 79,269.28 : x
  2. Step 2: Convert to fraction form
    142,925.56/197,232.30 = 79,269.28/x
  3. Step 3: Cross multiply
    142,925.56x = 197,232.30 × 79,269.28
  4. Step 4: Simplify right side
    142,925.56x = 15,634,462,413.74
  5. Step 5: Solve for x
    x = 15,634,462,413.74/142,925.56
  6. Step 6: Final answer
    x = 109,388.85

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1.5x scale

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.