Home / 162,130.36-223,716.76-90,508.81

Finding the Fourth Proportional to 162,130.36, 223,716.76 and 90,508.81

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Solution

The fourth proportional to 162,130.36, 223,716.76 and 90,508.81 is: 124,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,130.36 : 223,716.76 = 90,508.81 : x
  2. Step 2: Convert to fraction form
    162,130.36/223,716.76 = 90,508.81/x
  3. Step 3: Cross multiply
    162,130.36x = 223,716.76 × 90,508.81
  4. Step 4: Simplify right side
    162,130.36x = 20,248,337,724.66
  5. Step 5: Solve for x
    x = 20,248,337,724.66/162,130.36
  6. Step 6: Final answer
    x = 124,889.24

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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.