Home / 133,214.16-183,833.37-72,783.50

Finding the Fourth Proportional to 133,214.16, 183,833.37 and 72,783.50

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Solution

The fourth proportional to 133,214.16, 183,833.37 and 72,783.50 is: 100,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,214.16 : 183,833.37 = 72,783.50 : x
  2. Step 2: Convert to fraction form
    133,214.16/183,833.37 = 72,783.50/x
  3. Step 3: Cross multiply
    133,214.16x = 183,833.37 × 72,783.50
  4. Step 4: Simplify right side
    133,214.16x = 13,380,036,544.98
  5. Step 5: Solve for x
    x = 13,380,036,544.98/133,214.16
  6. Step 6: Final answer
    x = 100,440.05

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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.