Home / 171,931.60-257,897.40-112,144.49

Finding the Fourth Proportional to 171,931.60, 257,897.40 and 112,144.49

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Solution

The fourth proportional to 171,931.60, 257,897.40 and 112,144.49 is: 168,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,931.60 : 257,897.40 = 112,144.49 : x
  2. Step 2: Convert to fraction form
    171,931.60/257,897.40 = 112,144.49/x
  3. Step 3: Cross multiply
    171,931.60x = 257,897.40 × 112,144.49
  4. Step 4: Simplify right side
    171,931.60x = 28,921,772,395.33
  5. Step 5: Solve for x
    x = 28,921,772,395.33/171,931.60
  6. Step 6: Final answer
    x = 168,216.74

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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.