Home / 101,032.40-151,840.20-99,282.80

Finding the Fourth Proportional to 101,032.40, 151,840.20 and 99,282.80

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Solution

The fourth proportional to 101,032.40, 151,840.20 and 99,282.80 is: 149,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,032.40 : 151,840.20 = 99,282.80 : x
  2. Step 2: Convert to fraction form
    101,032.40/151,840.20 = 99,282.80/x
  3. Step 3: Cross multiply
    101,032.40x = 151,840.20 × 99,282.80
  4. Step 4: Simplify right side
    101,032.40x = 15,075,120,208.56
  5. Step 5: Solve for x
    x = 15,075,120,208.56/101,032.40
  6. Step 6: Final answer
    x = 149,210.75

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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.