Home / 149,555.17-224,432.51-77,574.42

Finding the Fourth Proportional to 149,555.17, 224,432.51 and 77,574.42

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Solution

The fourth proportional to 149,555.17, 224,432.51 and 77,574.42 is: 116,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,555.17 : 224,432.51 = 77,574.42 : x
  2. Step 2: Convert to fraction form
    149,555.17/224,432.51 = 77,574.42/x
  3. Step 3: Cross multiply
    149,555.17x = 224,432.51 × 77,574.42
  4. Step 4: Simplify right side
    149,555.17x = 17,410,221,792.39
  5. Step 5: Solve for x
    x = 17,410,221,792.39/149,555.17
  6. Step 6: Final answer
    x = 116,413.37

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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.