Home / 162,131.36-223,718.14-90,509.81

Finding the Fourth Proportional to 162,131.36, 223,718.14 and 90,509.81

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Solution

The fourth proportional to 162,131.36, 223,718.14 and 90,509.81 is: 124,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.36 : 223,718.14 = 90,509.81 : x
  2. Step 2: Convert to fraction form
    162,131.36/223,718.14 = 90,509.81/x
  3. Step 3: Cross multiply
    162,131.36x = 223,718.14 × 90,509.81
  4. Step 4: Simplify right side
    162,131.36x = 20,248,686,344.95
  5. Step 5: Solve for x
    x = 20,248,686,344.95/162,131.36
  6. Step 6: Final answer
    x = 124,890.62

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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.