Home / 97,677.40-146,516.10-96,986.20

Finding the Fourth Proportional to 97,677.40, 146,516.10 and 96,986.20

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Solution

The fourth proportional to 97,677.40, 146,516.10 and 96,986.20 is: 145,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.40 : 146,516.10 = 96,986.20 : x
  2. Step 2: Convert to fraction form
    97,677.40/146,516.10 = 96,986.20/x
  3. Step 3: Cross multiply
    97,677.40x = 146,516.10 × 96,986.20
  4. Step 4: Simplify right side
    97,677.40x = 14,210,039,777.82
  5. Step 5: Solve for x
    x = 14,210,039,777.82/97,677.40
  6. Step 6: Final answer
    x = 145,479.30

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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.