Home / 103,960.94-143,466.18-56,214.32

Finding the Fourth Proportional to 103,960.94, 143,466.18 and 56,214.32

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Solution

The fourth proportional to 103,960.94, 143,466.18 and 56,214.32 is: 77,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,960.94 : 143,466.18 = 56,214.32 : x
  2. Step 2: Convert to fraction form
    103,960.94/143,466.18 = 56,214.32/x
  3. Step 3: Cross multiply
    103,960.94x = 143,466.18 × 56,214.32
  4. Step 4: Simplify right side
    103,960.94x = 8,064,853,751.70
  5. Step 5: Solve for x
    x = 8,064,853,751.70/103,960.94
  6. Step 6: Final answer
    x = 77,575.81

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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.