Home / 127,431.66-175,860.20-70,075.36

Finding the Fourth Proportional to 127,431.66, 175,860.20 and 70,075.36

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Solution

The fourth proportional to 127,431.66, 175,860.20 and 70,075.36 is: 96,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.66 : 175,860.20 = 70,075.36 : x
  2. Step 2: Convert to fraction form
    127,431.66/175,860.20 = 70,075.36/x
  3. Step 3: Cross multiply
    127,431.66x = 175,860.20 × 70,075.36
  4. Step 4: Simplify right side
    127,431.66x = 12,323,466,824.67
  5. Step 5: Solve for x
    x = 12,323,466,824.67/127,431.66
  6. Step 6: Final answer
    x = 96,706.48

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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.