Home / 131,030.60-180,803.96-73,662.08

Finding the Fourth Proportional to 131,030.60, 180,803.96 and 73,662.08

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Solution

The fourth proportional to 131,030.60, 180,803.96 and 73,662.08 is: 101,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,030.60 : 180,803.96 = 73,662.08 : x
  2. Step 2: Convert to fraction form
    131,030.60/180,803.96 = 73,662.08/x
  3. Step 3: Cross multiply
    131,030.60x = 180,803.96 × 73,662.08
  4. Step 4: Simplify right side
    131,030.60x = 13,318,395,765.84
  5. Step 5: Solve for x
    x = 13,318,395,765.84/131,030.60
  6. Step 6: Final answer
    x = 101,643.40

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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.