Home / 134,919.68-186,182.40-75,292.16

Finding the Fourth Proportional to 134,919.68, 186,182.40 and 75,292.16

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Solution

The fourth proportional to 134,919.68, 186,182.40 and 75,292.16 is: 103,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919.68 : 186,182.40 = 75,292.16 : x
  2. Step 2: Convert to fraction form
    134,919.68/186,182.40 = 75,292.16/x
  3. Step 3: Cross multiply
    134,919.68x = 186,182.40 × 75,292.16
  4. Step 4: Simplify right side
    134,919.68x = 14,018,075,049.98
  5. Step 5: Solve for x
    x = 14,018,075,049.98/134,919.68
  6. Step 6: Final answer
    x = 103,899.41

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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.