Home / 130,458.96-180,035.52-73,097.64

Finding the Fourth Proportional to 130,458.96, 180,035.52 and 73,097.64

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Solution

The fourth proportional to 130,458.96, 180,035.52 and 73,097.64 is: 100,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,458.96 : 180,035.52 = 73,097.64 : x
  2. Step 2: Convert to fraction form
    130,458.96/180,035.52 = 73,097.64/x
  3. Step 3: Cross multiply
    130,458.96x = 180,035.52 × 73,097.64
  4. Step 4: Simplify right side
    130,458.96x = 13,160,171,628.17
  5. Step 5: Solve for x
    x = 13,160,171,628.17/130,458.96
  6. Step 6: Final answer
    x = 100,875.95

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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.