Home / 132,617.69-183,014.75-72,190.07

Finding the Fourth Proportional to 132,617.69, 183,014.75 and 72,190.07

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Solution

The fourth proportional to 132,617.69, 183,014.75 and 72,190.07 is: 99,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.69 : 183,014.75 = 72,190.07 : x
  2. Step 2: Convert to fraction form
    132,617.69/183,014.75 = 72,190.07/x
  3. Step 3: Cross multiply
    132,617.69x = 183,014.75 × 72,190.07
  4. Step 4: Simplify right side
    132,617.69x = 13,211,847,252.58
  5. Step 5: Solve for x
    x = 13,211,847,252.58/132,617.69
  6. Step 6: Final answer
    x = 99,623.57

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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.