Home / 155,642.04-214,692.93-98,179.83

Finding the Fourth Proportional to 155,642.04, 214,692.93 and 98,179.83

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Solution

The fourth proportional to 155,642.04, 214,692.93 and 98,179.83 is: 135,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,642.04 : 214,692.93 = 98,179.83 : x
  2. Step 2: Convert to fraction form
    155,642.04/214,692.93 = 98,179.83/x
  3. Step 3: Cross multiply
    155,642.04x = 214,692.93 × 98,179.83
  4. Step 4: Simplify right side
    155,642.04x = 21,078,515,369.60
  5. Step 5: Solve for x
    x = 21,078,515,369.60/155,642.04
  6. Step 6: Final answer
    x = 135,429.45

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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.