Home / 94,848.72-142,270-28,289.40

Finding the Fourth Proportional to 94,848.72, 142,270 and 28,289.40

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Solution

The fourth proportional to 94,848.72, 142,270 and 28,289.40 is: 42,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,848.72 : 142,270 = 28,289.40 : x
  2. Step 2: Convert to fraction form
    94,848.72/142,270 = 28,289.40/x
  3. Step 3: Cross multiply
    94,848.72x = 142,270 × 28,289.40
  4. Step 4: Simplify right side
    94,848.72x = 4,024,732,938
  5. Step 5: Solve for x
    x = 4,024,732,938/94,848.72
  6. Step 6: Final answer
    x = 42,433.18

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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.