Home / 190,075.40-262,229.28-122,082.86

Finding the Fourth Proportional to 190,075.40, 262,229.28 and 122,082.86

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Solution

The fourth proportional to 190,075.40, 262,229.28 and 122,082.86 is: 168,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,075.40 : 262,229.28 = 122,082.86 : x
  2. Step 2: Convert to fraction form
    190,075.40/262,229.28 = 122,082.86/x
  3. Step 3: Cross multiply
    190,075.40x = 262,229.28 × 122,082.86
  4. Step 4: Simplify right side
    190,075.40x = 32,013,700,478.14
  5. Step 5: Solve for x
    x = 32,013,700,478.14/190,075.40
  6. Step 6: Final answer
    x = 168,426.32

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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.