Home / 180,386.14-248,915.92-122,124.36

Finding the Fourth Proportional to 180,386.14, 248,915.92 and 122,124.36

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Solution

The fourth proportional to 180,386.14, 248,915.92 and 122,124.36 is: 168,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,386.14 : 248,915.92 = 122,124.36 : x
  2. Step 2: Convert to fraction form
    180,386.14/248,915.92 = 122,124.36/x
  3. Step 3: Cross multiply
    180,386.14x = 248,915.92 × 122,124.36
  4. Step 4: Simplify right side
    180,386.14x = 30,398,697,118.50
  5. Step 5: Solve for x
    x = 30,398,697,118.50/180,386.14
  6. Step 6: Final answer
    x = 168,520.14

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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.