Home / 133,421.13-200,155.95-63,299.79

Finding the Fourth Proportional to 133,421.13, 200,155.95 and 63,299.79

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Solution

The fourth proportional to 133,421.13, 200,155.95 and 63,299.79 is: 94,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,421.13 : 200,155.95 = 63,299.79 : x
  2. Step 2: Convert to fraction form
    133,421.13/200,155.95 = 63,299.79/x
  3. Step 3: Cross multiply
    133,421.13x = 200,155.95 × 63,299.79
  4. Step 4: Simplify right side
    133,421.13x = 12,669,829,602.25
  5. Step 5: Solve for x
    x = 12,669,829,602.25/133,421.13
  6. Step 6: Final answer
    x = 94,961.19

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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.