Home / 112,752.06-155,702.46-84,408.54

Finding the Fourth Proportional to 112,752.06, 155,702.46 and 84,408.54

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Solution

The fourth proportional to 112,752.06, 155,702.46 and 84,408.54 is: 116,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752.06 : 155,702.46 = 84,408.54 : x
  2. Step 2: Convert to fraction form
    112,752.06/155,702.46 = 84,408.54/x
  3. Step 3: Cross multiply
    112,752.06x = 155,702.46 × 84,408.54
  4. Step 4: Simplify right side
    112,752.06x = 13,142,617,323.01
  5. Step 5: Solve for x
    x = 13,142,617,323.01/112,752.06
  6. Step 6: Final answer
    x = 116,562.10

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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.