Home / 160,228.32-240,485.04-85,410.24

Finding the Fourth Proportional to 160,228.32, 240,485.04 and 85,410.24

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Solution

The fourth proportional to 160,228.32, 240,485.04 and 85,410.24 is: 128,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,228.32 : 240,485.04 = 85,410.24 : x
  2. Step 2: Convert to fraction form
    160,228.32/240,485.04 = 85,410.24/x
  3. Step 3: Cross multiply
    160,228.32x = 240,485.04 × 85,410.24
  4. Step 4: Simplify right side
    160,228.32x = 20,539,884,982.81
  5. Step 5: Solve for x
    x = 20,539,884,982.81/160,228.32
  6. Step 6: Final answer
    x = 128,191.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.