Home / 215,957.08-298,017.28-120,461.32

Finding the Fourth Proportional to 215,957.08, 298,017.28 and 120,461.32

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Solution

The fourth proportional to 215,957.08, 298,017.28 and 120,461.32 is: 166,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,957.08 : 298,017.28 = 120,461.32 : x
  2. Step 2: Convert to fraction form
    215,957.08/298,017.28 = 120,461.32/x
  3. Step 3: Cross multiply
    215,957.08x = 298,017.28 × 120,461.32
  4. Step 4: Simplify right side
    215,957.08x = 35,899,554,931.61
  5. Step 5: Solve for x
    x = 35,899,554,931.61/215,957.08
  6. Step 6: Final answer
    x = 166,234.67

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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.