Home / 134,790.35-202,185.53-103,686.35

Finding the Fourth Proportional to 134,790.35, 202,185.53 and 103,686.35

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Solution

The fourth proportional to 134,790.35, 202,185.53 and 103,686.35 is: 155,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,790.35 : 202,185.53 = 103,686.35 : x
  2. Step 2: Convert to fraction form
    134,790.35/202,185.53 = 103,686.35/x
  3. Step 3: Cross multiply
    134,790.35x = 202,185.53 × 103,686.35
  4. Step 4: Simplify right side
    134,790.35x = 20,963,879,628.52
  5. Step 5: Solve for x
    x = 20,963,879,628.52/134,790.35
  6. Step 6: Final answer
    x = 155,529.53

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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.