Home / 157,417.24-217,229.43-85,795.72

Finding the Fourth Proportional to 157,417.24, 217,229.43 and 85,795.72

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Solution

The fourth proportional to 157,417.24, 217,229.43 and 85,795.72 is: 118,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,417.24 : 217,229.43 = 85,795.72 : x
  2. Step 2: Convert to fraction form
    157,417.24/217,229.43 = 85,795.72/x
  3. Step 3: Cross multiply
    157,417.24x = 217,229.43 × 85,795.72
  4. Step 4: Simplify right side
    157,417.24x = 18,637,355,352.04
  5. Step 5: Solve for x
    x = 18,637,355,352.04/157,417.24
  6. Step 6: Final answer
    x = 118,394.63

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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.