Home / 138,281.77-207,586.68-116,368.03

Finding the Fourth Proportional to 138,281.77, 207,586.68 and 116,368.03

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Solution

The fourth proportional to 138,281.77, 207,586.68 and 116,368.03 is: 174,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,281.77 : 207,586.68 = 116,368.03 : x
  2. Step 2: Convert to fraction form
    138,281.77/207,586.68 = 116,368.03/x
  3. Step 3: Cross multiply
    138,281.77x = 207,586.68 × 116,368.03
  4. Step 4: Simplify right side
    138,281.77x = 24,156,453,005.84
  5. Step 5: Solve for x
    x = 24,156,453,005.84/138,281.77
  6. Step 6: Final answer
    x = 174,690.08

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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.