Home / 157,452.24-217,277.88-85,830.72

Finding the Fourth Proportional to 157,452.24, 217,277.88 and 85,830.72

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Solution

The fourth proportional to 157,452.24, 217,277.88 and 85,830.72 is: 118,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,452.24 : 217,277.88 = 85,830.72 : x
  2. Step 2: Convert to fraction form
    157,452.24/217,277.88 = 85,830.72/x
  3. Step 3: Cross multiply
    157,452.24x = 217,277.88 × 85,830.72
  4. Step 4: Simplify right side
    157,452.24x = 18,649,116,880.47
  5. Step 5: Solve for x
    x = 18,649,116,880.47/157,452.24
  6. Step 6: Final answer
    x = 118,443.01

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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.