Home / 127,241.04-175,495.33-86,436.64

Finding the Fourth Proportional to 127,241.04, 175,495.33 and 86,436.64

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Solution

The fourth proportional to 127,241.04, 175,495.33 and 86,436.64 is: 119,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,241.04 : 175,495.33 = 86,436.64 : x
  2. Step 2: Convert to fraction form
    127,241.04/175,495.33 = 86,436.64/x
  3. Step 3: Cross multiply
    127,241.04x = 175,495.33 × 86,436.64
  4. Step 4: Simplify right side
    127,241.04x = 15,169,225,514.94
  5. Step 5: Solve for x
    x = 15,169,225,514.94/127,241.04
  6. Step 6: Final answer
    x = 119,216.45

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1.5x scale

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.