Home / 273,989.32-378,073.38-153,130.84

Finding the Fourth Proportional to 273,989.32, 378,073.38 and 153,130.84

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Solution

The fourth proportional to 273,989.32, 378,073.38 and 153,130.84 is: 211,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,989.32 : 378,073.38 = 153,130.84 : x
  2. Step 2: Convert to fraction form
    273,989.32/378,073.38 = 153,130.84/x
  3. Step 3: Cross multiply
    273,989.32x = 378,073.38 × 153,130.84
  4. Step 4: Simplify right side
    273,989.32x = 57,894,694,261.04
  5. Step 5: Solve for x
    x = 57,894,694,261.04/273,989.32
  6. Step 6: Final answer
    x = 211,302.74

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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.