Home / 159,900.24-220,662.64-88,280.40

Finding the Fourth Proportional to 159,900.24, 220,662.64 and 88,280.40

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Solution

The fourth proportional to 159,900.24, 220,662.64 and 88,280.40 is: 121,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,900.24 : 220,662.64 = 88,280.40 : x
  2. Step 2: Convert to fraction form
    159,900.24/220,662.64 = 88,280.40/x
  3. Step 3: Cross multiply
    159,900.24x = 220,662.64 × 88,280.40
  4. Step 4: Simplify right side
    159,900.24x = 19,480,186,124.26
  5. Step 5: Solve for x
    x = 19,480,186,124.26/159,900.24
  6. Step 6: Final answer
    x = 121,827.12

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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.