Home / 78,822.23-118,280.08-73,835.07

Finding the Fourth Proportional to 78,822.23, 118,280.08 and 73,835.07

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Solution

The fourth proportional to 78,822.23, 118,280.08 and 73,835.07 is: 110,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,822.23 : 118,280.08 = 73,835.07 : x
  2. Step 2: Convert to fraction form
    78,822.23/118,280.08 = 73,835.07/x
  3. Step 3: Cross multiply
    78,822.23x = 118,280.08 × 73,835.07
  4. Step 4: Simplify right side
    78,822.23x = 8,733,217,801.82
  5. Step 5: Solve for x
    x = 8,733,217,801.82/78,822.23
  6. Step 6: Final answer
    x = 110,796.38

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1.5x scale

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.