Home / 120,589.74-166,423.95-70,291.98

Finding the Fourth Proportional to 120,589.74, 166,423.95 and 70,291.98

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Solution

The fourth proportional to 120,589.74, 166,423.95 and 70,291.98 is: 97,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,589.74 : 166,423.95 = 70,291.98 : x
  2. Step 2: Convert to fraction form
    120,589.74/166,423.95 = 70,291.98/x
  3. Step 3: Cross multiply
    120,589.74x = 166,423.95 × 70,291.98
  4. Step 4: Simplify right side
    120,589.74x = 11,698,268,964.92
  5. Step 5: Solve for x
    x = 11,698,268,964.92/120,589.74
  6. Step 6: Final answer
    x = 97,008.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.