Home / 155,913.04-233,957.24-84,840.84

Finding the Fourth Proportional to 155,913.04, 233,957.24 and 84,840.84

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Solution

The fourth proportional to 155,913.04, 233,957.24 and 84,840.84 is: 127,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913.04 : 233,957.24 = 84,840.84 : x
  2. Step 2: Convert to fraction form
    155,913.04/233,957.24 = 84,840.84/x
  3. Step 3: Cross multiply
    155,913.04x = 233,957.24 × 84,840.84
  4. Step 4: Simplify right side
    155,913.04x = 19,849,128,765.68
  5. Step 5: Solve for x
    x = 19,849,128,765.68/155,913.04
  6. Step 6: Final answer
    x = 127,308.97

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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.