Home / 123,730.40-185,595.60-94,205.90

Finding the Fourth Proportional to 123,730.40, 185,595.60 and 94,205.90

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Solution

The fourth proportional to 123,730.40, 185,595.60 and 94,205.90 is: 141,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,730.40 : 185,595.60 = 94,205.90 : x
  2. Step 2: Convert to fraction form
    123,730.40/185,595.60 = 94,205.90/x
  3. Step 3: Cross multiply
    123,730.40x = 185,595.60 × 94,205.90
  4. Step 4: Simplify right side
    123,730.40x = 17,484,200,534.04
  5. Step 5: Solve for x
    x = 17,484,200,534.04/123,730.40
  6. Step 6: Final answer
    x = 141,308.85

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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.