Home / 145,535.81-200,765.92-85,066.95

Finding the Fourth Proportional to 145,535.81, 200,765.92 and 85,066.95

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Solution

The fourth proportional to 145,535.81, 200,765.92 and 85,066.95 is: 117,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,535.81 : 200,765.92 = 85,066.95 : x
  2. Step 2: Convert to fraction form
    145,535.81/200,765.92 = 85,066.95/x
  3. Step 3: Cross multiply
    145,535.81x = 200,765.92 × 85,066.95
  4. Step 4: Simplify right side
    145,535.81x = 17,078,544,478.34
  5. Step 5: Solve for x
    x = 17,078,544,478.34/145,535.81
  6. Step 6: Final answer
    x = 117,349.43

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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.