Home / 127,220.63-175,557.62-70,628.36

Finding the Fourth Proportional to 127,220.63, 175,557.62 and 70,628.36

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Solution

The fourth proportional to 127,220.63, 175,557.62 and 70,628.36 is: 97,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,220.63 : 175,557.62 = 70,628.36 : x
  2. Step 2: Convert to fraction form
    127,220.63/175,557.62 = 70,628.36/x
  3. Step 3: Cross multiply
    127,220.63x = 175,557.62 × 70,628.36
  4. Step 4: Simplify right side
    127,220.63x = 12,399,346,786.10
  5. Step 5: Solve for x
    x = 12,399,346,786.10/127,220.63
  6. Step 6: Final answer
    x = 97,463.33

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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.