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Finding the Fourth Proportional to 145,954.56, 218,931.84 and 112,723.11

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Solution

The fourth proportional to 145,954.56, 218,931.84 and 112,723.11 is: 169,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,954.56 : 218,931.84 = 112,723.11 : x
  2. Step 2: Convert to fraction form
    145,954.56/218,931.84 = 112,723.11/x
  3. Step 3: Cross multiply
    145,954.56x = 218,931.84 × 112,723.11
  4. Step 4: Simplify right side
    145,954.56x = 24,678,677,882.82
  5. Step 5: Solve for x
    x = 24,678,677,882.82/145,954.56
  6. Step 6: Final answer
    x = 169,084.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.