Home / 255,179.04-382,823.91-77,681.46

Finding the Fourth Proportional to 255,179.04, 382,823.91 and 77,681.46

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Solution

The fourth proportional to 255,179.04, 382,823.91 and 77,681.46 is: 116,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,179.04 : 382,823.91 = 77,681.46 : x
  2. Step 2: Convert to fraction form
    255,179.04/382,823.91 = 77,681.46/x
  3. Step 3: Cross multiply
    255,179.04x = 382,823.91 × 77,681.46
  4. Step 4: Simplify right side
    255,179.04x = 29,738,320,251.71
  5. Step 5: Solve for x
    x = 29,738,320,251.71/255,179.04
  6. Step 6: Final answer
    x = 116,539.04

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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.