Home / 130,641.44-180,285.06-74,052.82

Finding the Fourth Proportional to 130,641.44, 180,285.06 and 74,052.82

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Solution

The fourth proportional to 130,641.44, 180,285.06 and 74,052.82 is: 102,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,641.44 : 180,285.06 = 74,052.82 : x
  2. Step 2: Convert to fraction form
    130,641.44/180,285.06 = 74,052.82/x
  3. Step 3: Cross multiply
    130,641.44x = 180,285.06 × 74,052.82
  4. Step 4: Simplify right side
    130,641.44x = 13,350,616,923.85
  5. Step 5: Solve for x
    x = 13,350,616,923.85/130,641.44
  6. Step 6: Final answer
    x = 102,192.82

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1.5x scale

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.