Home / 130,287.12-179,550.50-104,416.28

Finding the Fourth Proportional to 130,287.12, 179,550.50 and 104,416.28

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Solution

The fourth proportional to 130,287.12, 179,550.50 and 104,416.28 is: 143,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.12 : 179,550.50 = 104,416.28 : x
  2. Step 2: Convert to fraction form
    130,287.12/179,550.50 = 104,416.28/x
  3. Step 3: Cross multiply
    130,287.12x = 179,550.50 × 104,416.28
  4. Step 4: Simplify right side
    130,287.12x = 18,747,993,862.31
  5. Step 5: Solve for x
    x = 18,747,993,862.31/130,287.12
  6. Step 6: Final answer
    x = 143,897.52

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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.