Home / 292,127.48-438,248.03-112,199.74

Finding the Fourth Proportional to 292,127.48, 438,248.03 and 112,199.74

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Solution

The fourth proportional to 292,127.48, 438,248.03 and 112,199.74 is: 168,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,127.48 : 438,248.03 = 112,199.74 : x
  2. Step 2: Convert to fraction form
    292,127.48/438,248.03 = 112,199.74/x
  3. Step 3: Cross multiply
    292,127.48x = 438,248.03 × 112,199.74
  4. Step 4: Simplify right side
    292,127.48x = 49,171,315,830.04
  5. Step 5: Solve for x
    x = 49,171,315,830.04/292,127.48
  6. Step 6: Final answer
    x = 168,321.43

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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.