Home / 157,158.07-216,882.74-85,542.73

Finding the Fourth Proportional to 157,158.07, 216,882.74 and 85,542.73

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Solution

The fourth proportional to 157,158.07, 216,882.74 and 85,542.73 is: 118,051.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,158.07 : 216,882.74 = 85,542.73 : x
  2. Step 2: Convert to fraction form
    157,158.07/216,882.74 = 85,542.73/x
  3. Step 3: Cross multiply
    157,158.07x = 216,882.74 × 85,542.73
  4. Step 4: Simplify right side
    157,158.07x = 18,552,740,157.35
  5. Step 5: Solve for x
    x = 18,552,740,157.35/157,158.07
  6. Step 6: Final answer
    x = 118,051.47

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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.