Home / 97,730.40-146,595.60-50,977.20

Finding the Fourth Proportional to 97,730.40, 146,595.60 and 50,977.20

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Solution

The fourth proportional to 97,730.40, 146,595.60 and 50,977.20 is: 76,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.40 : 146,595.60 = 50,977.20 : x
  2. Step 2: Convert to fraction form
    97,730.40/146,595.60 = 50,977.20/x
  3. Step 3: Cross multiply
    97,730.40x = 146,595.60 × 50,977.20
  4. Step 4: Simplify right side
    97,730.40x = 7,473,033,220.32
  5. Step 5: Solve for x
    x = 7,473,033,220.32/97,730.40
  6. Step 6: Final answer
    x = 76,465.80

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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.