Home / 163,150.85-225,144.72-90,549.51

Finding the Fourth Proportional to 163,150.85, 225,144.72 and 90,549.51

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Solution

The fourth proportional to 163,150.85, 225,144.72 and 90,549.51 is: 124,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,150.85 : 225,144.72 = 90,549.51 : x
  2. Step 2: Convert to fraction form
    163,150.85/225,144.72 = 90,549.51/x
  3. Step 3: Cross multiply
    163,150.85x = 225,144.72 × 90,549.51
  4. Step 4: Simplify right side
    163,150.85x = 20,386,744,075.09
  5. Step 5: Solve for x
    x = 20,386,744,075.09/163,150.85
  6. Step 6: Final answer
    x = 124,956.41

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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.