Home / 161,678.96-223,123.68-90,058.88

Finding the Fourth Proportional to 161,678.96, 223,123.68 and 90,058.88

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Solution

The fourth proportional to 161,678.96, 223,123.68 and 90,058.88 is: 124,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,678.96 : 223,123.68 = 90,058.88 : x
  2. Step 2: Convert to fraction form
    161,678.96/223,123.68 = 90,058.88/x
  3. Step 3: Cross multiply
    161,678.96x = 223,123.68 × 90,058.88
  4. Step 4: Simplify right side
    161,678.96x = 20,094,268,722.28
  5. Step 5: Solve for x
    x = 20,094,268,722.28/161,678.96
  6. Step 6: Final answer
    x = 124,284.99

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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.