Home / 171,931.40-257,897.10-160,121.60

Finding the Fourth Proportional to 171,931.40, 257,897.10 and 160,121.60

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Solution

The fourth proportional to 171,931.40, 257,897.10 and 160,121.60 is: 240,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,931.40 : 257,897.10 = 160,121.60 : x
  2. Step 2: Convert to fraction form
    171,931.40/257,897.10 = 160,121.60/x
  3. Step 3: Cross multiply
    171,931.40x = 257,897.10 × 160,121.60
  4. Step 4: Simplify right side
    171,931.40x = 41,294,896,287.36
  5. Step 5: Solve for x
    x = 41,294,896,287.36/171,931.40
  6. Step 6: Final answer
    x = 240,182.40

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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.