Home / 103,074.96-142,242.12-57,752.16

Finding the Fourth Proportional to 103,074.96, 142,242.12 and 57,752.16

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Solution

The fourth proportional to 103,074.96, 142,242.12 and 57,752.16 is: 79,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,074.96 : 142,242.12 = 57,752.16 : x
  2. Step 2: Convert to fraction form
    103,074.96/142,242.12 = 57,752.16/x
  3. Step 3: Cross multiply
    103,074.96x = 142,242.12 × 57,752.16
  4. Step 4: Simplify right side
    103,074.96x = 8,214,789,672.98
  5. Step 5: Solve for x
    x = 8,214,789,672.98/103,074.96
  6. Step 6: Final answer
    x = 79,697.24

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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.