Home / 155,588.04-214,712.37-88,520.04

Finding the Fourth Proportional to 155,588.04, 214,712.37 and 88,520.04

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Solution

The fourth proportional to 155,588.04, 214,712.37 and 88,520.04 is: 122,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,588.04 : 214,712.37 = 88,520.04 : x
  2. Step 2: Convert to fraction form
    155,588.04/214,712.37 = 88,520.04/x
  3. Step 3: Cross multiply
    155,588.04x = 214,712.37 × 88,520.04
  4. Step 4: Simplify right side
    155,588.04x = 19,006,347,580.89
  5. Step 5: Solve for x
    x = 19,006,347,580.89/155,588.04
  6. Step 6: Final answer
    x = 122,158.15

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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.