Home / 127,326.83-190,990.28-47,354.35

Finding the Fourth Proportional to 127,326.83, 190,990.28 and 47,354.35

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Solution

The fourth proportional to 127,326.83, 190,990.28 and 47,354.35 is: 71,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.83 : 190,990.28 = 47,354.35 : x
  2. Step 2: Convert to fraction form
    127,326.83/190,990.28 = 47,354.35/x
  3. Step 3: Cross multiply
    127,326.83x = 190,990.28 × 47,354.35
  4. Step 4: Simplify right side
    127,326.83x = 9,044,219,373.99
  5. Step 5: Solve for x
    x = 9,044,219,373.99/127,326.83
  6. Step 6: Final answer
    x = 71,031.53

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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.