Home / 133,015.65-183,561.34-72,586.35

Finding the Fourth Proportional to 133,015.65, 183,561.34 and 72,586.35

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Solution

The fourth proportional to 133,015.65, 183,561.34 and 72,586.35 is: 100,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,015.65 : 183,561.34 = 72,586.35 : x
  2. Step 2: Convert to fraction form
    133,015.65/183,561.34 = 72,586.35/x
  3. Step 3: Cross multiply
    133,015.65x = 183,561.34 × 72,586.35
  4. Step 4: Simplify right side
    133,015.65x = 13,324,047,671.71
  5. Step 5: Solve for x
    x = 13,324,047,671.71/133,015.65
  6. Step 6: Final answer
    x = 100,169.02

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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.