Home / 171,502.60-257,945.10-153,531.40

Finding the Fourth Proportional to 171,502.60, 257,945.10 and 153,531.40

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Solution

The fourth proportional to 171,502.60, 257,945.10 and 153,531.40 is: 230,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,502.60 : 257,945.10 = 153,531.40 : x
  2. Step 2: Convert to fraction form
    171,502.60/257,945.10 = 153,531.40/x
  3. Step 3: Cross multiply
    171,502.60x = 257,945.10 × 153,531.40
  4. Step 4: Simplify right side
    171,502.60x = 39,602,672,326.14
  5. Step 5: Solve for x
    x = 39,602,672,326.14/171,502.60
  6. Step 6: Final answer
    x = 230,915.87

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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.