Home / 130,462.39-180,035.06-76,750.87

Finding the Fourth Proportional to 130,462.39, 180,035.06 and 76,750.87

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Solution

The fourth proportional to 130,462.39, 180,035.06 and 76,750.87 is: 105,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,462.39 : 180,035.06 = 76,750.87 : x
  2. Step 2: Convert to fraction form
    130,462.39/180,035.06 = 76,750.87/x
  3. Step 3: Cross multiply
    130,462.39x = 180,035.06 × 76,750.87
  4. Step 4: Simplify right side
    130,462.39x = 13,817,847,485.50
  5. Step 5: Solve for x
    x = 13,817,847,485.50/130,462.39
  6. Step 6: Final answer
    x = 105,914.41

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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.