Home / 119,334.40-164,675.83-65,621.68

Finding the Fourth Proportional to 119,334.40, 164,675.83 and 65,621.68

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Solution

The fourth proportional to 119,334.40, 164,675.83 and 65,621.68 is: 90,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.40 : 164,675.83 = 65,621.68 : x
  2. Step 2: Convert to fraction form
    119,334.40/164,675.83 = 65,621.68/x
  3. Step 3: Cross multiply
    119,334.40x = 164,675.83 × 65,621.68
  4. Step 4: Simplify right side
    119,334.40x = 10,806,303,468.51
  5. Step 5: Solve for x
    x = 10,806,303,468.51/119,334.40
  6. Step 6: Final answer
    x = 90,554.81

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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.