Home / 145,441.48-200,660.96-118,537.72

Finding the Fourth Proportional to 145,441.48, 200,660.96 and 118,537.72

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Solution

The fourth proportional to 145,441.48, 200,660.96 and 118,537.72 is: 163,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,441.48 : 200,660.96 = 118,537.72 : x
  2. Step 2: Convert to fraction form
    145,441.48/200,660.96 = 118,537.72/x
  3. Step 3: Cross multiply
    145,441.48x = 200,660.96 × 118,537.72
  4. Step 4: Simplify right side
    145,441.48x = 23,785,892,691.41
  5. Step 5: Solve for x
    x = 23,785,892,691.41/145,441.48
  6. Step 6: Final answer
    x = 163,542.70

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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.