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Finding the Fourth Proportional to 162,068.68, 223,666.01 and 90,462.66

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Solution

The fourth proportional to 162,068.68, 223,666.01 and 90,462.66 is: 124,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,068.68 : 223,666.01 = 90,462.66 : x
  2. Step 2: Convert to fraction form
    162,068.68/223,666.01 = 90,462.66/x
  3. Step 3: Cross multiply
    162,068.68x = 223,666.01 × 90,462.66
  4. Step 4: Simplify right side
    162,068.68x = 20,233,422,216.19
  5. Step 5: Solve for x
    x = 20,233,422,216.19/162,068.68
  6. Step 6: Final answer
    x = 124,844.74

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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.