Home / 216,051.84-298,068.39-135,338.85

Finding the Fourth Proportional to 216,051.84, 298,068.39 and 135,338.85

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Solution

The fourth proportional to 216,051.84, 298,068.39 and 135,338.85 is: 186,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,051.84 : 298,068.39 = 135,338.85 : x
  2. Step 2: Convert to fraction form
    216,051.84/298,068.39 = 135,338.85/x
  3. Step 3: Cross multiply
    216,051.84x = 298,068.39 × 135,338.85
  4. Step 4: Simplify right side
    216,051.84x = 40,340,233,123.95
  5. Step 5: Solve for x
    x = 40,340,233,123.95/216,051.84
  6. Step 6: Final answer
    x = 186,715.53

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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.