Home / 105,097.60-145,037.77-57,354.03

Finding the Fourth Proportional to 105,097.60, 145,037.77 and 57,354.03

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Solution

The fourth proportional to 105,097.60, 145,037.77 and 57,354.03 is: 79,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,097.60 : 145,037.77 = 57,354.03 : x
  2. Step 2: Convert to fraction form
    105,097.60/145,037.77 = 57,354.03/x
  3. Step 3: Cross multiply
    105,097.60x = 145,037.77 × 57,354.03
  4. Step 4: Simplify right side
    105,097.60x = 8,318,500,611.71
  5. Step 5: Solve for x
    x = 8,318,500,611.71/105,097.60
  6. Step 6: Final answer
    x = 79,150.24

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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.