Home / 76,157.34-114,037.29-61,285.02

Finding the Fourth Proportional to 76,157.34, 114,037.29 and 61,285.02

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Solution

The fourth proportional to 76,157.34, 114,037.29 and 61,285.02 is: 91,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.34 : 114,037.29 = 61,285.02 : x
  2. Step 2: Convert to fraction form
    76,157.34/114,037.29 = 61,285.02/x
  3. Step 3: Cross multiply
    76,157.34x = 114,037.29 × 61,285.02
  4. Step 4: Simplify right side
    76,157.34x = 6,988,777,598.40
  5. Step 5: Solve for x
    x = 6,988,777,598.40/76,157.34
  6. Step 6: Final answer
    x = 91,767.62

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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.