Home / 145,880.09-201,119.55-109,426.58

Finding the Fourth Proportional to 145,880.09, 201,119.55 and 109,426.58

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Solution

The fourth proportional to 145,880.09, 201,119.55 and 109,426.58 is: 150,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,880.09 : 201,119.55 = 109,426.58 : x
  2. Step 2: Convert to fraction form
    145,880.09/201,119.55 = 109,426.58/x
  3. Step 3: Cross multiply
    145,880.09x = 201,119.55 × 109,426.58
  4. Step 4: Simplify right side
    145,880.09x = 22,007,824,527.64
  5. Step 5: Solve for x
    x = 22,007,824,527.64/145,880.09
  6. Step 6: Final answer
    x = 150,862.43

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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.