Home / 119,150.50-178,671.25-71,140.90

Finding the Fourth Proportional to 119,150.50, 178,671.25 and 71,140.90

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Solution

The fourth proportional to 119,150.50, 178,671.25 and 71,140.90 is: 106,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,150.50 : 178,671.25 = 71,140.90 : x
  2. Step 2: Convert to fraction form
    119,150.50/178,671.25 = 71,140.90/x
  3. Step 3: Cross multiply
    119,150.50x = 178,671.25 × 71,140.90
  4. Step 4: Simplify right side
    119,150.50x = 12,710,832,280.06
  5. Step 5: Solve for x
    x = 12,710,832,280.06/119,150.50
  6. Step 6: Final answer
    x = 106,678.80

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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.