Home / 248,005.48-342,280.74-158,840.68

Finding the Fourth Proportional to 248,005.48, 342,280.74 and 158,840.68

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Solution

The fourth proportional to 248,005.48, 342,280.74 and 158,840.68 is: 219,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,005.48 : 342,280.74 = 158,840.68 : x
  2. Step 2: Convert to fraction form
    248,005.48/342,280.74 = 158,840.68/x
  3. Step 3: Cross multiply
    248,005.48x = 342,280.74 × 158,840.68
  4. Step 4: Simplify right side
    248,005.48x = 54,368,105,492.50
  5. Step 5: Solve for x
    x = 54,368,105,492.50/248,005.48
  6. Step 6: Final answer
    x = 219,221.39

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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.