Home / 121,872.14-182,807.85-42,967.34

Finding the Fourth Proportional to 121,872.14, 182,807.85 and 42,967.34

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Solution

The fourth proportional to 121,872.14, 182,807.85 and 42,967.34 is: 64,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,872.14 : 182,807.85 = 42,967.34 : x
  2. Step 2: Convert to fraction form
    121,872.14/182,807.85 = 42,967.34/x
  3. Step 3: Cross multiply
    121,872.14x = 182,807.85 × 42,967.34
  4. Step 4: Simplify right side
    121,872.14x = 7,854,767,045.62
  5. Step 5: Solve for x
    x = 7,854,767,045.62/121,872.14
  6. Step 6: Final answer
    x = 64,450.88

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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.