Home / 140,242.04-193,533.99-76,579.89

Finding the Fourth Proportional to 140,242.04, 193,533.99 and 76,579.89

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Solution

The fourth proportional to 140,242.04, 193,533.99 and 76,579.89 is: 105,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,242.04 : 193,533.99 = 76,579.89 : x
  2. Step 2: Convert to fraction form
    140,242.04/193,533.99 = 76,579.89/x
  3. Step 3: Cross multiply
    140,242.04x = 193,533.99 × 76,579.89
  4. Step 4: Simplify right side
    140,242.04x = 14,820,811,665.46
  5. Step 5: Solve for x
    x = 14,820,811,665.46/140,242.04
  6. Step 6: Final answer
    x = 105,680.23

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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.