Home / 86,004.01-118,628.98-54,146.17

Finding the Fourth Proportional to 86,004.01, 118,628.98 and 54,146.17

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Solution

The fourth proportional to 86,004.01, 118,628.98 and 54,146.17 is: 74,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.01 : 118,628.98 = 54,146.17 : x
  2. Step 2: Convert to fraction form
    86,004.01/118,628.98 = 54,146.17/x
  3. Step 3: Cross multiply
    86,004.01x = 118,628.98 × 54,146.17
  4. Step 4: Simplify right side
    86,004.01x = 6,423,304,918.01
  5. Step 5: Solve for x
    x = 6,423,304,918.01/86,004.01
  6. Step 6: Final answer
    x = 74,686.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.