Home / 133,719.90-184,509.27-85,962.30

Finding the Fourth Proportional to 133,719.90, 184,509.27 and 85,962.30

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Solution

The fourth proportional to 133,719.90, 184,509.27 and 85,962.30 is: 118,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,719.90 : 184,509.27 = 85,962.30 : x
  2. Step 2: Convert to fraction form
    133,719.90/184,509.27 = 85,962.30/x
  3. Step 3: Cross multiply
    133,719.90x = 184,509.27 × 85,962.30
  4. Step 4: Simplify right side
    133,719.90x = 15,860,841,220.52
  5. Step 5: Solve for x
    x = 15,860,841,220.52/133,719.90
  6. Step 6: Final answer
    x = 118,612.42

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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.