Home / 155,171.48-214,127.89-94,722.80

Finding the Fourth Proportional to 155,171.48, 214,127.89 and 94,722.80

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Solution

The fourth proportional to 155,171.48, 214,127.89 and 94,722.80 is: 130,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,171.48 : 214,127.89 = 94,722.80 : x
  2. Step 2: Convert to fraction form
    155,171.48/214,127.89 = 94,722.80/x
  3. Step 3: Cross multiply
    155,171.48x = 214,127.89 × 94,722.80
  4. Step 4: Simplify right side
    155,171.48x = 20,282,791,991.45
  5. Step 5: Solve for x
    x = 20,282,791,991.45/155,171.48
  6. Step 6: Final answer
    x = 130,712.12

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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.