Home / 74,758.15-102,956.29-73,125.19

Finding the Fourth Proportional to 74,758.15, 102,956.29 and 73,125.19

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Solution

The fourth proportional to 74,758.15, 102,956.29 and 73,125.19 is: 100,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758.15 : 102,956.29 = 73,125.19 : x
  2. Step 2: Convert to fraction form
    74,758.15/102,956.29 = 73,125.19/x
  3. Step 3: Cross multiply
    74,758.15x = 102,956.29 × 73,125.19
  4. Step 4: Simplify right side
    74,758.15x = 7,528,698,267.95
  5. Step 5: Solve for x
    x = 7,528,698,267.95/74,758.15
  6. Step 6: Final answer
    x = 100,707.39

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1.5x scale

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.