Home / 250,315.13-375,495.75-81,836.35

Finding the Fourth Proportional to 250,315.13, 375,495.75 and 81,836.35

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Solution

The fourth proportional to 250,315.13, 375,495.75 and 81,836.35 is: 122,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,315.13 : 375,495.75 = 81,836.35 : x
  2. Step 2: Convert to fraction form
    250,315.13/375,495.75 = 81,836.35/x
  3. Step 3: Cross multiply
    250,315.13x = 375,495.75 × 81,836.35
  4. Step 4: Simplify right side
    250,315.13x = 30,729,200,681.77
  5. Step 5: Solve for x
    x = 30,729,200,681.77/250,315.13
  6. Step 6: Final answer
    x = 122,762.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.