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Finding the Fourth Proportional to 145,347.86, 200,450.64 and 94,311.86

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Solution

The fourth proportional to 145,347.86, 200,450.64 and 94,311.86 is: 130,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,347.86 : 200,450.64 = 94,311.86 : x
  2. Step 2: Convert to fraction form
    145,347.86/200,450.64 = 94,311.86/x
  3. Step 3: Cross multiply
    145,347.86x = 200,450.64 × 94,311.86
  4. Step 4: Simplify right side
    145,347.86x = 18,904,872,696.59
  5. Step 5: Solve for x
    x = 18,904,872,696.59/145,347.86
  6. Step 6: Final answer
    x = 130,066.40

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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.