Home / 114,022.28-157,364.44-66,275.64

Finding the Fourth Proportional to 114,022.28, 157,364.44 and 66,275.64

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Solution

The fourth proportional to 114,022.28, 157,364.44 and 66,275.64 is: 91,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.28 : 157,364.44 = 66,275.64 : x
  2. Step 2: Convert to fraction form
    114,022.28/157,364.44 = 66,275.64/x
  3. Step 3: Cross multiply
    114,022.28x = 157,364.44 × 66,275.64
  4. Step 4: Simplify right side
    114,022.28x = 10,429,428,808.55
  5. Step 5: Solve for x
    x = 10,429,428,808.55/114,022.28
  6. Step 6: Final answer
    x = 91,468.34

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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.