Home / 127,441.36-175,869.30-70,852.78

Finding the Fourth Proportional to 127,441.36, 175,869.30 and 70,852.78

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Solution

The fourth proportional to 127,441.36, 175,869.30 and 70,852.78 is: 97,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441.36 : 175,869.30 = 70,852.78 : x
  2. Step 2: Convert to fraction form
    127,441.36/175,869.30 = 70,852.78/x
  3. Step 3: Cross multiply
    127,441.36x = 175,869.30 × 70,852.78
  4. Step 4: Simplify right side
    127,441.36x = 12,460,828,821.65
  5. Step 5: Solve for x
    x = 12,460,828,821.65/127,441.36
  6. Step 6: Final answer
    x = 97,776.96

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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.