Home / 102,115.70-153,153.32-97,052.30

Finding the Fourth Proportional to 102,115.70, 153,153.32 and 97,052.30

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Solution

The fourth proportional to 102,115.70, 153,153.32 and 97,052.30 is: 145,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.70 : 153,153.32 = 97,052.30 : x
  2. Step 2: Convert to fraction form
    102,115.70/153,153.32 = 97,052.30/x
  3. Step 3: Cross multiply
    102,115.70x = 153,153.32 × 97,052.30
  4. Step 4: Simplify right side
    102,115.70x = 14,863,881,958.64
  5. Step 5: Solve for x
    x = 14,863,881,958.64/102,115.70
  6. Step 6: Final answer
    x = 145,559.22

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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.