Home / 171,629.40-257,444.10-101,587.80

Finding the Fourth Proportional to 171,629.40, 257,444.10 and 101,587.80

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Solution

The fourth proportional to 171,629.40, 257,444.10 and 101,587.80 is: 152,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.40 : 257,444.10 = 101,587.80 : x
  2. Step 2: Convert to fraction form
    171,629.40/257,444.10 = 101,587.80/x
  3. Step 3: Cross multiply
    171,629.40x = 257,444.10 × 101,587.80
  4. Step 4: Simplify right side
    171,629.40x = 26,153,179,741.98
  5. Step 5: Solve for x
    x = 26,153,179,741.98/171,629.40
  6. Step 6: Final answer
    x = 152,381.70

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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.