Home / 130,633.47-195,761.07-90,065.34

Finding the Fourth Proportional to 130,633.47, 195,761.07 and 90,065.34

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Solution

The fourth proportional to 130,633.47, 195,761.07 and 90,065.34 is: 134,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,633.47 : 195,761.07 = 90,065.34 : x
  2. Step 2: Convert to fraction form
    130,633.47/195,761.07 = 90,065.34/x
  3. Step 3: Cross multiply
    130,633.47x = 195,761.07 × 90,065.34
  4. Step 4: Simplify right side
    130,633.47x = 17,631,287,328.31
  5. Step 5: Solve for x
    x = 17,631,287,328.31/130,633.47
  6. Step 6: Final answer
    x = 134,967.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.