Home / 155,090.74-232,637.26-84,931.78

Finding the Fourth Proportional to 155,090.74, 232,637.26 and 84,931.78

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Solution

The fourth proportional to 155,090.74, 232,637.26 and 84,931.78 is: 127,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,090.74 : 232,637.26 = 84,931.78 : x
  2. Step 2: Convert to fraction form
    155,090.74/232,637.26 = 84,931.78/x
  3. Step 3: Cross multiply
    155,090.74x = 232,637.26 × 84,931.78
  4. Step 4: Simplify right side
    155,090.74x = 19,758,296,586.12
  5. Step 5: Solve for x
    x = 19,758,296,586.12/155,090.74
  6. Step 6: Final answer
    x = 127,398.30

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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.