Home / 155,090.34-232,636.73-84,931.38

Finding the Fourth Proportional to 155,090.34, 232,636.73 and 84,931.38

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Solution

The fourth proportional to 155,090.34, 232,636.73 and 84,931.38 is: 127,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,090.34 : 232,636.73 = 84,931.38 : x
  2. Step 2: Convert to fraction form
    155,090.34/232,636.73 = 84,931.38/x
  3. Step 3: Cross multiply
    155,090.34x = 232,636.73 × 84,931.38
  4. Step 4: Simplify right side
    155,090.34x = 19,758,158,092.93
  5. Step 5: Solve for x
    x = 19,758,158,092.93/155,090.34
  6. Step 6: Final answer
    x = 127,397.74

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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.