Home / 142,518.24-213,813.78-117,258.36

Finding the Fourth Proportional to 142,518.24, 213,813.78 and 117,258.36

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Solution

The fourth proportional to 142,518.24, 213,813.78 and 117,258.36 is: 175,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,518.24 : 213,813.78 = 117,258.36 : x
  2. Step 2: Convert to fraction form
    142,518.24/213,813.78 = 117,258.36/x
  3. Step 3: Cross multiply
    142,518.24x = 213,813.78 × 117,258.36
  4. Step 4: Simplify right side
    142,518.24x = 25,071,453,188.20
  5. Step 5: Solve for x
    x = 25,071,453,188.20/142,518.24
  6. Step 6: Final answer
    x = 175,917.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.