Home / 109,385.28-164,075.58-30,497.40

Finding the Fourth Proportional to 109,385.28, 164,075.58 and 30,497.40

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Solution

The fourth proportional to 109,385.28, 164,075.58 and 30,497.40 is: 45,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,385.28 : 164,075.58 = 30,497.40 : x
  2. Step 2: Convert to fraction form
    109,385.28/164,075.58 = 30,497.40/x
  3. Step 3: Cross multiply
    109,385.28x = 164,075.58 × 30,497.40
  4. Step 4: Simplify right side
    109,385.28x = 5,003,878,593.49
  5. Step 5: Solve for x
    x = 5,003,878,593.49/109,385.28
  6. Step 6: Final answer
    x = 45,745.45

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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.