Home / 127,009.35-190,445.97-42,741.51

Finding the Fourth Proportional to 127,009.35, 190,445.97 and 42,741.51

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Solution

The fourth proportional to 127,009.35, 190,445.97 and 42,741.51 is: 64,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,009.35 : 190,445.97 = 42,741.51 : x
  2. Step 2: Convert to fraction form
    127,009.35/190,445.97 = 42,741.51/x
  3. Step 3: Cross multiply
    127,009.35x = 190,445.97 × 42,741.51
  4. Step 4: Simplify right side
    127,009.35x = 8,139,948,331.21
  5. Step 5: Solve for x
    x = 8,139,948,331.21/127,009.35
  6. Step 6: Final answer
    x = 64,089.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.