Home / 127,101.25-175,399.73-70,513.03

Finding the Fourth Proportional to 127,101.25, 175,399.73 and 70,513.03

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Solution

The fourth proportional to 127,101.25, 175,399.73 and 70,513.03 is: 97,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.25 : 175,399.73 = 70,513.03 : x
  2. Step 2: Convert to fraction form
    127,101.25/175,399.73 = 70,513.03/x
  3. Step 3: Cross multiply
    127,101.25x = 175,399.73 × 70,513.03
  4. Step 4: Simplify right side
    127,101.25x = 12,367,966,423.48
  5. Step 5: Solve for x
    x = 12,367,966,423.48/127,101.25
  6. Step 6: Final answer
    x = 97,307.98

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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.