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Finding the Fourth Proportional to 169,913.04, 254,900.21 and 70,017.63

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Solution

The fourth proportional to 169,913.04, 254,900.21 and 70,017.63 is: 105,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,913.04 : 254,900.21 = 70,017.63 : x
  2. Step 2: Convert to fraction form
    169,913.04/254,900.21 = 70,017.63/x
  3. Step 3: Cross multiply
    169,913.04x = 254,900.21 × 70,017.63
  4. Step 4: Simplify right side
    169,913.04x = 17,847,508,240.61
  5. Step 5: Solve for x
    x = 17,847,508,240.61/169,913.04
  6. Step 6: Final answer
    x = 105,039.07

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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.