Home / 133,053.36-183,611.04-72,624.48

Finding the Fourth Proportional to 133,053.36, 183,611.04 and 72,624.48

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Solution

The fourth proportional to 133,053.36, 183,611.04 and 72,624.48 is: 100,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.36 : 183,611.04 = 72,624.48 : x
  2. Step 2: Convert to fraction form
    133,053.36/183,611.04 = 72,624.48/x
  3. Step 3: Cross multiply
    133,053.36x = 183,611.04 × 72,624.48
  4. Step 4: Simplify right side
    133,053.36x = 13,334,656,302.26
  5. Step 5: Solve for x
    x = 13,334,656,302.26/133,053.36
  6. Step 6: Final answer
    x = 100,220.36

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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.