Home / 133,012.53-183,561.19-72,587.07

Finding the Fourth Proportional to 133,012.53, 183,561.19 and 72,587.07

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Solution

The fourth proportional to 133,012.53, 183,561.19 and 72,587.07 is: 100,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,012.53 : 183,561.19 = 72,587.07 : x
  2. Step 2: Convert to fraction form
    133,012.53/183,561.19 = 72,587.07/x
  3. Step 3: Cross multiply
    133,012.53x = 183,561.19 × 72,587.07
  4. Step 4: Simplify right side
    133,012.53x = 13,324,168,970.50
  5. Step 5: Solve for x
    x = 13,324,168,970.50/133,012.53
  6. Step 6: Final answer
    x = 100,172.28

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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.