Home / 103,756.30-155,516.39-63,140.23

Finding the Fourth Proportional to 103,756.30, 155,516.39 and 63,140.23

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Solution

The fourth proportional to 103,756.30, 155,516.39 and 63,140.23 is: 94,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,756.30 : 155,516.39 = 63,140.23 : x
  2. Step 2: Convert to fraction form
    103,756.30/155,516.39 = 63,140.23/x
  3. Step 3: Cross multiply
    103,756.30x = 155,516.39 × 63,140.23
  4. Step 4: Simplify right side
    103,756.30x = 9,819,340,633.37
  5. Step 5: Solve for x
    x = 9,819,340,633.37/103,756.30
  6. Step 6: Final answer
    x = 94,638.50

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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.