Home / 143,314.90-197,322.81-130,028.87

Finding the Fourth Proportional to 143,314.90, 197,322.81 and 130,028.87

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Solution

The fourth proportional to 143,314.90, 197,322.81 and 130,028.87 is: 179,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.90 : 197,322.81 = 130,028.87 : x
  2. Step 2: Convert to fraction form
    143,314.90/197,322.81 = 130,028.87/x
  3. Step 3: Cross multiply
    143,314.90x = 197,322.81 × 130,028.87
  4. Step 4: Simplify right side
    143,314.90x = 25,657,662,009.52
  5. Step 5: Solve for x
    x = 25,657,662,009.52/143,314.90
  6. Step 6: Final answer
    x = 179,029.97

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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.