Home / 250,823.04-346,128-137,642.88

Finding the Fourth Proportional to 250,823.04, 346,128 and 137,642.88

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Solution

The fourth proportional to 250,823.04, 346,128 and 137,642.88 is: 189,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,823.04 : 346,128 = 137,642.88 : x
  2. Step 2: Convert to fraction form
    250,823.04/346,128 = 137,642.88/x
  3. Step 3: Cross multiply
    250,823.04x = 346,128 × 137,642.88
  4. Step 4: Simplify right side
    250,823.04x = 47,642,054,768.64
  5. Step 5: Solve for x
    x = 47,642,054,768.64/250,823.04
  6. Step 6: Final answer
    x = 189,942.90

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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.