Home / 109,075.24-163,612.86-30,189.45

Finding the Fourth Proportional to 109,075.24, 163,612.86 and 30,189.45

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Solution

The fourth proportional to 109,075.24, 163,612.86 and 30,189.45 is: 45,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.24 : 163,612.86 = 30,189.45 : x
  2. Step 2: Convert to fraction form
    109,075.24/163,612.86 = 30,189.45/x
  3. Step 3: Cross multiply
    109,075.24x = 163,612.86 × 30,189.45
  4. Step 4: Simplify right side
    109,075.24x = 4,939,382,256.33
  5. Step 5: Solve for x
    x = 4,939,382,256.33/109,075.24
  6. Step 6: Final answer
    x = 45,284.18

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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.