Home / 103,687.03-155,409.16-39,603.17

Finding the Fourth Proportional to 103,687.03, 155,409.16 and 39,603.17

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Solution

The fourth proportional to 103,687.03, 155,409.16 and 39,603.17 is: 59,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.03 : 155,409.16 = 39,603.17 : x
  2. Step 2: Convert to fraction form
    103,687.03/155,409.16 = 39,603.17/x
  3. Step 3: Cross multiply
    103,687.03x = 155,409.16 × 39,603.17
  4. Step 4: Simplify right side
    103,687.03x = 6,154,695,383.04
  5. Step 5: Solve for x
    x = 6,154,695,383.04/103,687.03
  6. Step 6: Final answer
    x = 59,358.39

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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.