Home / 127,386.36-175,788.90-70,796.52

Finding the Fourth Proportional to 127,386.36, 175,788.90 and 70,796.52

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Solution

The fourth proportional to 127,386.36, 175,788.90 and 70,796.52 is: 97,696.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386.36 : 175,788.90 = 70,796.52 : x
  2. Step 2: Convert to fraction form
    127,386.36/175,788.90 = 70,796.52/x
  3. Step 3: Cross multiply
    127,386.36x = 175,788.90 × 70,796.52
  4. Step 4: Simplify right side
    127,386.36x = 12,445,242,374.63
  5. Step 5: Solve for x
    x = 12,445,242,374.63/127,386.36
  6. Step 6: Final answer
    x = 97,696.82

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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.