Home / 120,415.95-166,158.27-69,430.59

Finding the Fourth Proportional to 120,415.95, 166,158.27 and 69,430.59

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Solution

The fourth proportional to 120,415.95, 166,158.27 and 69,430.59 is: 95,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,415.95 : 166,158.27 = 69,430.59 : x
  2. Step 2: Convert to fraction form
    120,415.95/166,158.27 = 69,430.59/x
  3. Step 3: Cross multiply
    120,415.95x = 166,158.27 × 69,430.59
  4. Step 4: Simplify right side
    120,415.95x = 11,536,466,719.48
  5. Step 5: Solve for x
    x = 11,536,466,719.48/120,415.95
  6. Step 6: Final answer
    x = 95,805.14

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1.5x scale

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.