Home / 216,439.83-298,693.58-120,950.55

Finding the Fourth Proportional to 216,439.83, 298,693.58 and 120,950.55

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Solution

The fourth proportional to 216,439.83, 298,693.58 and 120,950.55 is: 166,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,439.83 : 298,693.58 = 120,950.55 : x
  2. Step 2: Convert to fraction form
    216,439.83/298,693.58 = 120,950.55/x
  3. Step 3: Cross multiply
    216,439.83x = 298,693.58 × 120,950.55
  4. Step 4: Simplify right side
    216,439.83x = 36,127,152,177.72
  5. Step 5: Solve for x
    x = 36,127,152,177.72/216,439.83
  6. Step 6: Final answer
    x = 166,915.45

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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.