Home / 133,032.48-183,608.24-79,320.80

Finding the Fourth Proportional to 133,032.48, 183,608.24 and 79,320.80

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Solution

The fourth proportional to 133,032.48, 183,608.24 and 79,320.80 is: 109,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.48 : 183,608.24 = 79,320.80 : x
  2. Step 2: Convert to fraction form
    133,032.48/183,608.24 = 79,320.80/x
  3. Step 3: Cross multiply
    133,032.48x = 183,608.24 × 79,320.80
  4. Step 4: Simplify right side
    133,032.48x = 14,563,952,483.39
  5. Step 5: Solve for x
    x = 14,563,952,483.39/133,032.48
  6. Step 6: Final answer
    x = 109,476.67

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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.