Home / 162,018.53-223,575.08-89,422.07

Finding the Fourth Proportional to 162,018.53, 223,575.08 and 89,422.07

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Solution

The fourth proportional to 162,018.53, 223,575.08 and 89,422.07 is: 123,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,018.53 : 223,575.08 = 89,422.07 : x
  2. Step 2: Convert to fraction form
    162,018.53/223,575.08 = 89,422.07/x
  3. Step 3: Cross multiply
    162,018.53x = 223,575.08 × 89,422.07
  4. Step 4: Simplify right side
    162,018.53x = 19,992,546,565.84
  5. Step 5: Solve for x
    x = 19,992,546,565.84/162,018.53
  6. Step 6: Final answer
    x = 123,396.67

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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.