Home / 159,527.30-220,157.34-87,907.26

Finding the Fourth Proportional to 159,527.30, 220,157.34 and 87,907.26

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Solution

The fourth proportional to 159,527.30, 220,157.34 and 87,907.26 is: 121,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,527.30 : 220,157.34 = 87,907.26 : x
  2. Step 2: Convert to fraction form
    159,527.30/220,157.34 = 87,907.26/x
  3. Step 3: Cross multiply
    159,527.30x = 220,157.34 × 87,907.26
  4. Step 4: Simplify right side
    159,527.30x = 19,353,428,528.29
  5. Step 5: Solve for x
    x = 19,353,428,528.29/159,527.30
  6. Step 6: Final answer
    x = 121,317.35

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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.