Home / 159,014.16-219,430.26-87,394.24

Finding the Fourth Proportional to 159,014.16, 219,430.26 and 87,394.24

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Solution

The fourth proportional to 159,014.16, 219,430.26 and 87,394.24 is: 120,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,014.16 : 219,430.26 = 87,394.24 : x
  2. Step 2: Convert to fraction form
    159,014.16/219,430.26 = 87,394.24/x
  3. Step 3: Cross multiply
    159,014.16x = 219,430.26 × 87,394.24
  4. Step 4: Simplify right side
    159,014.16x = 19,176,939,708.55
  5. Step 5: Solve for x
    x = 19,176,939,708.55/159,014.16
  6. Step 6: Final answer
    x = 120,598.95

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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.