Home / 159,903.04-220,660.40-88,281.52

Finding the Fourth Proportional to 159,903.04, 220,660.40 and 88,281.52

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Solution

The fourth proportional to 159,903.04, 220,660.40 and 88,281.52 is: 121,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903.04 : 220,660.40 = 88,281.52 : x
  2. Step 2: Convert to fraction form
    159,903.04/220,660.40 = 88,281.52/x
  3. Step 3: Cross multiply
    159,903.04x = 220,660.40 × 88,281.52
  4. Step 4: Simplify right side
    159,903.04x = 19,480,235,515.81
  5. Step 5: Solve for x
    x = 19,480,235,515.81/159,903.04
  6. Step 6: Final answer
    x = 121,825.30

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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.