Home / 215,681.40-323,557.74-97,350.12

Finding the Fourth Proportional to 215,681.40, 323,557.74 and 97,350.12

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Solution

The fourth proportional to 215,681.40, 323,557.74 and 97,350.12 is: 146,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,681.40 : 323,557.74 = 97,350.12 : x
  2. Step 2: Convert to fraction form
    215,681.40/323,557.74 = 97,350.12/x
  3. Step 3: Cross multiply
    215,681.40x = 323,557.74 × 97,350.12
  4. Step 4: Simplify right side
    215,681.40x = 31,498,384,815.93
  5. Step 5: Solve for x
    x = 31,498,384,815.93/215,681.40
  6. Step 6: Final answer
    x = 146,041.27

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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.