Home / 130,937.35-180,688.46-80,035.31

Finding the Fourth Proportional to 130,937.35, 180,688.46 and 80,035.31

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Solution

The fourth proportional to 130,937.35, 180,688.46 and 80,035.31 is: 110,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,937.35 : 180,688.46 = 80,035.31 : x
  2. Step 2: Convert to fraction form
    130,937.35/180,688.46 = 80,035.31/x
  3. Step 3: Cross multiply
    130,937.35x = 180,688.46 × 80,035.31
  4. Step 4: Simplify right side
    130,937.35x = 14,461,456,709.43
  5. Step 5: Solve for x
    x = 14,461,456,709.43/130,937.35
  6. Step 6: Final answer
    x = 110,445.62

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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.