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Finding the Fourth Proportional to 114,685.84, 172,028.76 and 35,806.83

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Solution

The fourth proportional to 114,685.84, 172,028.76 and 35,806.83 is: 53,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,685.84 : 172,028.76 = 35,806.83 : x
  2. Step 2: Convert to fraction form
    114,685.84/172,028.76 = 35,806.83/x
  3. Step 3: Cross multiply
    114,685.84x = 172,028.76 × 35,806.83
  4. Step 4: Simplify right side
    114,685.84x = 6,159,803,986.46
  5. Step 5: Solve for x
    x = 6,159,803,986.46/114,685.84
  6. Step 6: Final answer
    x = 53,710.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.