Home / 228,078.77-314,720.94-126,090.07

Finding the Fourth Proportional to 228,078.77, 314,720.94 and 126,090.07

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Solution

The fourth proportional to 228,078.77, 314,720.94 and 126,090.07 is: 173,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,078.77 : 314,720.94 = 126,090.07 : x
  2. Step 2: Convert to fraction form
    228,078.77/314,720.94 = 126,090.07/x
  3. Step 3: Cross multiply
    228,078.77x = 314,720.94 × 126,090.07
  4. Step 4: Simplify right side
    228,078.77x = 39,683,183,781.46
  5. Step 5: Solve for x
    x = 39,683,183,781.46/228,078.77
  6. Step 6: Final answer
    x = 173,988.94

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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.