Home / 161,542.63-242,314.01-72,692.35

Finding the Fourth Proportional to 161,542.63, 242,314.01 and 72,692.35

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Solution

The fourth proportional to 161,542.63, 242,314.01 and 72,692.35 is: 109,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.63 : 242,314.01 = 72,692.35 : x
  2. Step 2: Convert to fraction form
    161,542.63/242,314.01 = 72,692.35/x
  3. Step 3: Cross multiply
    161,542.63x = 242,314.01 × 72,692.35
  4. Step 4: Simplify right side
    161,542.63x = 17,614,374,824.82
  5. Step 5: Solve for x
    x = 17,614,374,824.82/161,542.63
  6. Step 6: Final answer
    x = 109,038.55

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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.