Home / 74,184.16-102,370.80-40,649.44

Finding the Fourth Proportional to 74,184.16, 102,370.80 and 40,649.44

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Solution

The fourth proportional to 74,184.16, 102,370.80 and 40,649.44 is: 56,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.16 : 102,370.80 = 40,649.44 : x
  2. Step 2: Convert to fraction form
    74,184.16/102,370.80 = 40,649.44/x
  3. Step 3: Cross multiply
    74,184.16x = 102,370.80 × 40,649.44
  4. Step 4: Simplify right side
    74,184.16x = 4,161,315,692.35
  5. Step 5: Solve for x
    x = 4,161,315,692.35/74,184.16
  6. Step 6: Final answer
    x = 56,094.40

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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.