Home / 252,631.06-348,630.15-139,453

Finding the Fourth Proportional to 252,631.06, 348,630.15 and 139,453

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Solution

The fourth proportional to 252,631.06, 348,630.15 and 139,453 is: 192,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,631.06 : 348,630.15 = 139,453 : x
  2. Step 2: Convert to fraction form
    252,631.06/348,630.15 = 139,453/x
  3. Step 3: Cross multiply
    252,631.06x = 348,630.15 × 139,453
  4. Step 4: Simplify right side
    252,631.06x = 48,617,520,307.95
  5. Step 5: Solve for x
    x = 48,617,520,307.95/252,631.06
  6. Step 6: Final answer
    x = 192,444.75

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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.