Home / 130,927.44-180,687.61-98,605.05

Finding the Fourth Proportional to 130,927.44, 180,687.61 and 98,605.05

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Solution

The fourth proportional to 130,927.44, 180,687.61 and 98,605.05 is: 136,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927.44 : 180,687.61 = 98,605.05 : x
  2. Step 2: Convert to fraction form
    130,927.44/180,687.61 = 98,605.05/x
  3. Step 3: Cross multiply
    130,927.44x = 180,687.61 × 98,605.05
  4. Step 4: Simplify right side
    130,927.44x = 17,816,710,818.43
  5. Step 5: Solve for x
    x = 17,816,710,818.43/130,927.44
  6. Step 6: Final answer
    x = 136,080.80

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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.