Home / 103,626.56-155,442.47-77,497.17

Finding the Fourth Proportional to 103,626.56, 155,442.47 and 77,497.17

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Solution

The fourth proportional to 103,626.56, 155,442.47 and 77,497.17 is: 116,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.56 : 155,442.47 = 77,497.17 : x
  2. Step 2: Convert to fraction form
    103,626.56/155,442.47 = 77,497.17/x
  3. Step 3: Cross multiply
    103,626.56x = 155,442.47 × 77,497.17
  4. Step 4: Simplify right side
    103,626.56x = 12,046,351,135.32
  5. Step 5: Solve for x
    x = 12,046,351,135.32/103,626.56
  6. Step 6: Final answer
    x = 116,247.72

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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.