Home / 212,295.06-318,442.59-54,523.67

Finding the Fourth Proportional to 212,295.06, 318,442.59 and 54,523.67

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Solution

The fourth proportional to 212,295.06, 318,442.59 and 54,523.67 is: 81,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,295.06 : 318,442.59 = 54,523.67 : x
  2. Step 2: Convert to fraction form
    212,295.06/318,442.59 = 54,523.67/x
  3. Step 3: Cross multiply
    212,295.06x = 318,442.59 × 54,523.67
  4. Step 4: Simplify right side
    212,295.06x = 17,362,657,098.89
  5. Step 5: Solve for x
    x = 17,362,657,098.89/212,295.06
  6. Step 6: Final answer
    x = 81,785.50

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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.