Home / 139,117.32-208,692.18-44,314.20

Finding the Fourth Proportional to 139,117.32, 208,692.18 and 44,314.20

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Solution

The fourth proportional to 139,117.32, 208,692.18 and 44,314.20 is: 66,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,117.32 : 208,692.18 = 44,314.20 : x
  2. Step 2: Convert to fraction form
    139,117.32/208,692.18 = 44,314.20/x
  3. Step 3: Cross multiply
    139,117.32x = 208,692.18 × 44,314.20
  4. Step 4: Simplify right side
    139,117.32x = 9,248,027,002.96
  5. Step 5: Solve for x
    x = 9,248,027,002.96/139,117.32
  6. Step 6: Final answer
    x = 66,476.46

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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.