Home / 187,051.80-280,577.70-74,749.35

Finding the Fourth Proportional to 187,051.80, 280,577.70 and 74,749.35

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Solution

The fourth proportional to 187,051.80, 280,577.70 and 74,749.35 is: 112,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,051.80 : 280,577.70 = 74,749.35 : x
  2. Step 2: Convert to fraction form
    187,051.80/280,577.70 = 74,749.35/x
  3. Step 3: Cross multiply
    187,051.80x = 280,577.70 × 74,749.35
  4. Step 4: Simplify right side
    187,051.80x = 20,973,000,699.50
  5. Step 5: Solve for x
    x = 20,973,000,699.50/187,051.80
  6. Step 6: Final answer
    x = 112,124.03

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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.