Home / 133,043.76-183,596.85-72,615.15

Finding the Fourth Proportional to 133,043.76, 183,596.85 and 72,615.15

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Solution

The fourth proportional to 133,043.76, 183,596.85 and 72,615.15 is: 100,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.76 : 183,596.85 = 72,615.15 : x
  2. Step 2: Convert to fraction form
    133,043.76/183,596.85 = 72,615.15/x
  3. Step 3: Cross multiply
    133,043.76x = 183,596.85 × 72,615.15
  4. Step 4: Simplify right side
    133,043.76x = 13,331,912,802.28
  5. Step 5: Solve for x
    x = 13,331,912,802.28/133,043.76
  6. Step 6: Final answer
    x = 100,206.98

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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.