Home / 127,064.58-190,614.45-42,848.85

Finding the Fourth Proportional to 127,064.58, 190,614.45 and 42,848.85

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Solution

The fourth proportional to 127,064.58, 190,614.45 and 42,848.85 is: 64,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.58 : 190,614.45 = 42,848.85 : x
  2. Step 2: Convert to fraction form
    127,064.58/190,614.45 = 42,848.85/x
  3. Step 3: Cross multiply
    127,064.58x = 190,614.45 × 42,848.85
  4. Step 4: Simplify right side
    127,064.58x = 8,167,609,975.88
  5. Step 5: Solve for x
    x = 8,167,609,975.88/127,064.58
  6. Step 6: Final answer
    x = 64,279.20

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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.