Home / 133,230.45-183,852.54-72,803.16

Finding the Fourth Proportional to 133,230.45, 183,852.54 and 72,803.16

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Solution

The fourth proportional to 133,230.45, 183,852.54 and 72,803.16 is: 100,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,230.45 : 183,852.54 = 72,803.16 : x
  2. Step 2: Convert to fraction form
    133,230.45/183,852.54 = 72,803.16/x
  3. Step 3: Cross multiply
    133,230.45x = 183,852.54 × 72,803.16
  4. Step 4: Simplify right side
    133,230.45x = 13,385,045,886.03
  5. Step 5: Solve for x
    x = 13,385,045,886.03/133,230.45
  6. Step 6: Final answer
    x = 100,465.37

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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.