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Finding the Fourth Proportional to 130,475.16, 180,059.96 and 73,885.32

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Solution

The fourth proportional to 130,475.16, 180,059.96 and 73,885.32 is: 101,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.16 : 180,059.96 = 73,885.32 : x
  2. Step 2: Convert to fraction form
    130,475.16/180,059.96 = 73,885.32/x
  3. Step 3: Cross multiply
    130,475.16x = 180,059.96 × 73,885.32
  4. Step 4: Simplify right side
    130,475.16x = 13,303,787,763.79
  5. Step 5: Solve for x
    x = 13,303,787,763.79/130,475.16
  6. Step 6: Final answer
    x = 101,964.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.