Home / 127,126.37-175,434.39-70,537.74

Finding the Fourth Proportional to 127,126.37, 175,434.39 and 70,537.74

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Solution

The fourth proportional to 127,126.37, 175,434.39 and 70,537.74 is: 97,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,126.37 : 175,434.39 = 70,537.74 : x
  2. Step 2: Convert to fraction form
    127,126.37/175,434.39 = 70,537.74/x
  3. Step 3: Cross multiply
    127,126.37x = 175,434.39 × 70,537.74
  4. Step 4: Simplify right side
    127,126.37x = 12,374,745,388.88
  5. Step 5: Solve for x
    x = 12,374,745,388.88/127,126.37
  6. Step 6: Final answer
    x = 97,342.08

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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.