Home / 162,111.48-223,730.70-90,516.12

Finding the Fourth Proportional to 162,111.48, 223,730.70 and 90,516.12

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Solution

The fourth proportional to 162,111.48, 223,730.70 and 90,516.12 is: 124,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,111.48 : 223,730.70 = 90,516.12 : x
  2. Step 2: Convert to fraction form
    162,111.48/223,730.70 = 90,516.12/x
  3. Step 3: Cross multiply
    162,111.48x = 223,730.70 × 90,516.12
  4. Step 4: Simplify right side
    162,111.48x = 20,251,234,888.88
  5. Step 5: Solve for x
    x = 20,251,234,888.88/162,111.48
  6. Step 6: Final answer
    x = 124,921.66

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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.