Home / 228,079.27-314,721.63-126,090.57

Finding the Fourth Proportional to 228,079.27, 314,721.63 and 126,090.57

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Solution

The fourth proportional to 228,079.27, 314,721.63 and 126,090.57 is: 173,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,079.27 : 314,721.63 = 126,090.57 : x
  2. Step 2: Convert to fraction form
    228,079.27/314,721.63 = 126,090.57/x
  3. Step 3: Cross multiply
    228,079.27x = 314,721.63 × 126,090.57
  4. Step 4: Simplify right side
    228,079.27x = 39,683,429,718.03
  5. Step 5: Solve for x
    x = 39,683,429,718.03/228,079.27
  6. Step 6: Final answer
    x = 173,989.64

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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.