Home / 154,031.40-231,234.30-97,871.40

Finding the Fourth Proportional to 154,031.40, 231,234.30 and 97,871.40

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Solution

The fourth proportional to 154,031.40, 231,234.30 and 97,871.40 is: 146,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,031.40 : 231,234.30 = 97,871.40 : x
  2. Step 2: Convert to fraction form
    154,031.40/231,234.30 = 97,871.40/x
  3. Step 3: Cross multiply
    154,031.40x = 231,234.30 × 97,871.40
  4. Step 4: Simplify right side
    154,031.40x = 22,631,224,669.02
  5. Step 5: Solve for x
    x = 22,631,224,669.02/154,031.40
  6. Step 6: Final answer
    x = 146,926.05

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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.