Home / 230,159.72-345,239.58-70,236.49

Finding the Fourth Proportional to 230,159.72, 345,239.58 and 70,236.49

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Solution

The fourth proportional to 230,159.72, 345,239.58 and 70,236.49 is: 105,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,159.72 : 345,239.58 = 70,236.49 : x
  2. Step 2: Convert to fraction form
    230,159.72/345,239.58 = 70,236.49/x
  3. Step 3: Cross multiply
    230,159.72x = 345,239.58 × 70,236.49
  4. Step 4: Simplify right side
    230,159.72x = 24,248,416,308.27
  5. Step 5: Solve for x
    x = 24,248,416,308.27/230,159.72
  6. Step 6: Final answer
    x = 105,354.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.