Home / 199,258.32-298,953.10-80,897.88

Finding the Fourth Proportional to 199,258.32, 298,953.10 and 80,897.88

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Solution

The fourth proportional to 199,258.32, 298,953.10 and 80,897.88 is: 121,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,258.32 : 298,953.10 = 80,897.88 : x
  2. Step 2: Convert to fraction form
    199,258.32/298,953.10 = 80,897.88/x
  3. Step 3: Cross multiply
    199,258.32x = 298,953.10 × 80,897.88
  4. Step 4: Simplify right side
    199,258.32x = 24,184,671,094.96
  5. Step 5: Solve for x
    x = 24,184,671,094.96/199,258.32
  6. Step 6: Final answer
    x = 121,373.46

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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.