Home / 149,555.42-224,432.89-77,574.67

Finding the Fourth Proportional to 149,555.42, 224,432.89 and 77,574.67

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Solution

The fourth proportional to 149,555.42, 224,432.89 and 77,574.67 is: 116,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,555.42 : 224,432.89 = 77,574.67 : x
  2. Step 2: Convert to fraction form
    149,555.42/224,432.89 = 77,574.67/x
  3. Step 3: Cross multiply
    149,555.42x = 224,432.89 × 77,574.67
  4. Step 4: Simplify right side
    149,555.42x = 17,410,306,623.88
  5. Step 5: Solve for x
    x = 17,410,306,623.88/149,555.42
  6. Step 6: Final answer
    x = 116,413.75

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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.