Home / 135,663.04-187,214.40-76,047.04

Finding the Fourth Proportional to 135,663.04, 187,214.40 and 76,047.04

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Solution

The fourth proportional to 135,663.04, 187,214.40 and 76,047.04 is: 104,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,663.04 : 187,214.40 = 76,047.04 : x
  2. Step 2: Convert to fraction form
    135,663.04/187,214.40 = 76,047.04/x
  3. Step 3: Cross multiply
    135,663.04x = 187,214.40 × 76,047.04
  4. Step 4: Simplify right side
    135,663.04x = 14,237,100,965.38
  5. Step 5: Solve for x
    x = 14,237,100,965.38/135,663.04
  6. Step 6: Final answer
    x = 104,944.58

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1.5x scale

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.