Home / 250,848.32-346,170.40-137,671.36

Finding the Fourth Proportional to 250,848.32, 346,170.40 and 137,671.36

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Solution

The fourth proportional to 250,848.32, 346,170.40 and 137,671.36 is: 189,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,848.32 : 346,170.40 = 137,671.36 : x
  2. Step 2: Convert to fraction form
    250,848.32/346,170.40 = 137,671.36/x
  3. Step 3: Cross multiply
    250,848.32x = 346,170.40 × 137,671.36
  4. Step 4: Simplify right side
    250,848.32x = 47,657,749,759.74
  5. Step 5: Solve for x
    x = 47,657,749,759.74/250,848.32
  6. Step 6: Final answer
    x = 189,986.32

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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.