Home / 130,420.44-180,063.84-89,652.36

Finding the Fourth Proportional to 130,420.44, 180,063.84 and 89,652.36

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Solution

The fourth proportional to 130,420.44, 180,063.84 and 89,652.36 is: 123,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420.44 : 180,063.84 = 89,652.36 : x
  2. Step 2: Convert to fraction form
    130,420.44/180,063.84 = 89,652.36/x
  3. Step 3: Cross multiply
    130,420.44x = 180,063.84 × 89,652.36
  4. Step 4: Simplify right side
    130,420.44x = 16,143,148,206.66
  5. Step 5: Solve for x
    x = 16,143,148,206.66/130,420.44
  6. Step 6: Final answer
    x = 123,777.75

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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.