Home / 160,215.45-240,465.74-85,397.37

Finding the Fourth Proportional to 160,215.45, 240,465.74 and 85,397.37

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Solution

The fourth proportional to 160,215.45, 240,465.74 and 85,397.37 is: 128,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,215.45 : 240,465.74 = 85,397.37 : x
  2. Step 2: Convert to fraction form
    160,215.45/240,465.74 = 85,397.37/x
  3. Step 3: Cross multiply
    160,215.45x = 240,465.74 × 85,397.37
  4. Step 4: Simplify right side
    160,215.45x = 20,535,141,344.12
  5. Step 5: Solve for x
    x = 20,535,141,344.12/160,215.45
  6. Step 6: Final answer
    x = 128,172.04

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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.