Home / 213,901.84-295,055.40-137,395.18

Finding the Fourth Proportional to 213,901.84, 295,055.40 and 137,395.18

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Solution

The fourth proportional to 213,901.84, 295,055.40 and 137,395.18 is: 189,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,901.84 : 295,055.40 = 137,395.18 : x
  2. Step 2: Convert to fraction form
    213,901.84/295,055.40 = 137,395.18/x
  3. Step 3: Cross multiply
    213,901.84x = 295,055.40 × 137,395.18
  4. Step 4: Simplify right side
    213,901.84x = 40,539,189,792.97
  5. Step 5: Solve for x
    x = 40,539,189,792.97/213,901.84
  6. Step 6: Final answer
    x = 189,522.40

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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.