Home / 127,458.41-175,897.11-70,102.16

Finding the Fourth Proportional to 127,458.41, 175,897.11 and 70,102.16

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Solution

The fourth proportional to 127,458.41, 175,897.11 and 70,102.16 is: 96,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,458.41 : 175,897.11 = 70,102.16 : x
  2. Step 2: Convert to fraction form
    127,458.41/175,897.11 = 70,102.16/x
  3. Step 3: Cross multiply
    127,458.41x = 175,897.11 × 70,102.16
  4. Step 4: Simplify right side
    127,458.41x = 12,330,767,348.76
  5. Step 5: Solve for x
    x = 12,330,767,348.76/127,458.41
  6. Step 6: Final answer
    x = 96,743.46

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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.