Home / 131,636.56-181,653.96-75,066.16

Finding the Fourth Proportional to 131,636.56, 181,653.96 and 75,066.16

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Solution

The fourth proportional to 131,636.56, 181,653.96 and 75,066.16 is: 103,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,636.56 : 181,653.96 = 75,066.16 : x
  2. Step 2: Convert to fraction form
    131,636.56/181,653.96 = 75,066.16/x
  3. Step 3: Cross multiply
    131,636.56x = 181,653.96 × 75,066.16
  4. Step 4: Simplify right side
    131,636.56x = 13,636,065,225.99
  5. Step 5: Solve for x
    x = 13,636,065,225.99/131,636.56
  6. Step 6: Final answer
    x = 103,588.74

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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.