Home / 222,742.72-307,390.80-125,938.80

Finding the Fourth Proportional to 222,742.72, 307,390.80 and 125,938.80

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Solution

The fourth proportional to 222,742.72, 307,390.80 and 125,938.80 is: 173,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,742.72 : 307,390.80 = 125,938.80 : x
  2. Step 2: Convert to fraction form
    222,742.72/307,390.80 = 125,938.80/x
  3. Step 3: Cross multiply
    222,742.72x = 307,390.80 × 125,938.80
  4. Step 4: Simplify right side
    222,742.72x = 38,712,428,483.04
  5. Step 5: Solve for x
    x = 38,712,428,483.04/222,742.72
  6. Step 6: Final answer
    x = 173,798.85

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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.