Home / 286,180.17-429,269.85-99,191.67

Finding the Fourth Proportional to 286,180.17, 429,269.85 and 99,191.67

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Solution

The fourth proportional to 286,180.17, 429,269.85 and 99,191.67 is: 148,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,180.17 : 429,269.85 = 99,191.67 : x
  2. Step 2: Convert to fraction form
    286,180.17/429,269.85 = 99,191.67/x
  3. Step 3: Cross multiply
    286,180.17x = 429,269.85 × 99,191.67
  4. Step 4: Simplify right side
    286,180.17x = 42,579,993,302.15
  5. Step 5: Solve for x
    x = 42,579,993,302.15/286,180.17
  6. Step 6: Final answer
    x = 148,787.36

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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.