Home / 229,150.15-316,265.22-133,656.85

Finding the Fourth Proportional to 229,150.15, 316,265.22 and 133,656.85

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Solution

The fourth proportional to 229,150.15, 316,265.22 and 133,656.85 is: 184,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,150.15 : 316,265.22 = 133,656.85 : x
  2. Step 2: Convert to fraction form
    229,150.15/316,265.22 = 133,656.85/x
  3. Step 3: Cross multiply
    229,150.15x = 316,265.22 × 133,656.85
  4. Step 4: Simplify right side
    229,150.15x = 42,271,013,069.76
  5. Step 5: Solve for x
    x = 42,271,013,069.76/229,150.15
  6. Step 6: Final answer
    x = 184,468.62

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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.