Home / 102,953.72-154,394.40-30,885.14

Finding the Fourth Proportional to 102,953.72, 154,394.40 and 30,885.14

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Solution

The fourth proportional to 102,953.72, 154,394.40 and 30,885.14 is: 46,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,953.72 : 154,394.40 = 30,885.14 : x
  2. Step 2: Convert to fraction form
    102,953.72/154,394.40 = 30,885.14/x
  3. Step 3: Cross multiply
    102,953.72x = 154,394.40 × 30,885.14
  4. Step 4: Simplify right side
    102,953.72x = 4,768,492,368.50
  5. Step 5: Solve for x
    x = 4,768,492,368.50/102,953.72
  6. Step 6: Final answer
    x = 46,316.85

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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.