Home / 147,967.36-204,171.12-84,306.40

Finding the Fourth Proportional to 147,967.36, 204,171.12 and 84,306.40

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Solution

The fourth proportional to 147,967.36, 204,171.12 and 84,306.40 is: 116,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,967.36 : 204,171.12 = 84,306.40 : x
  2. Step 2: Convert to fraction form
    147,967.36/204,171.12 = 84,306.40/x
  3. Step 3: Cross multiply
    147,967.36x = 204,171.12 × 84,306.40
  4. Step 4: Simplify right side
    147,967.36x = 17,212,932,111.17
  5. Step 5: Solve for x
    x = 17,212,932,111.17/147,967.36
  6. Step 6: Final answer
    x = 116,329.25

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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.