Home / 106,816.68-147,462.66-99,749.16

Finding the Fourth Proportional to 106,816.68, 147,462.66 and 99,749.16

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Solution

The fourth proportional to 106,816.68, 147,462.66 and 99,749.16 is: 137,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,816.68 : 147,462.66 = 99,749.16 : x
  2. Step 2: Convert to fraction form
    106,816.68/147,462.66 = 99,749.16/x
  3. Step 3: Cross multiply
    106,816.68x = 147,462.66 × 99,749.16
  4. Step 4: Simplify right side
    106,816.68x = 14,709,276,466.37
  5. Step 5: Solve for x
    x = 14,709,276,466.37/106,816.68
  6. Step 6: Final answer
    x = 137,705.80

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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.