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Finding the Fourth Proportional to 97,345.60, 146,018.40 and 91,902.40

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Solution

The fourth proportional to 97,345.60, 146,018.40 and 91,902.40 is: 137,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,345.60 : 146,018.40 = 91,902.40 : x
  2. Step 2: Convert to fraction form
    97,345.60/146,018.40 = 91,902.40/x
  3. Step 3: Cross multiply
    97,345.60x = 146,018.40 × 91,902.40
  4. Step 4: Simplify right side
    97,345.60x = 13,419,441,404.16
  5. Step 5: Solve for x
    x = 13,419,441,404.16/97,345.60
  6. Step 6: Final answer
    x = 137,853.60

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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.