Home / 88,968.68-122,835.18-53,169.92

Finding the Fourth Proportional to 88,968.68, 122,835.18 and 53,169.92

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Solution

The fourth proportional to 88,968.68, 122,835.18 and 53,169.92 is: 73,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,968.68 : 122,835.18 = 53,169.92 : x
  2. Step 2: Convert to fraction form
    88,968.68/122,835.18 = 53,169.92/x
  3. Step 3: Cross multiply
    88,968.68x = 122,835.18 × 53,169.92
  4. Step 4: Simplify right side
    88,968.68x = 6,531,136,693.79
  5. Step 5: Solve for x
    x = 6,531,136,693.79/88,968.68
  6. Step 6: Final answer
    x = 73,409.39

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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.