Home / 220,719.74-304,572.14-123,901.40

Finding the Fourth Proportional to 220,719.74, 304,572.14 and 123,901.40

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Solution

The fourth proportional to 220,719.74, 304,572.14 and 123,901.40 is: 170,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,719.74 : 304,572.14 = 123,901.40 : x
  2. Step 2: Convert to fraction form
    220,719.74/304,572.14 = 123,901.40/x
  3. Step 3: Cross multiply
    220,719.74x = 304,572.14 × 123,901.40
  4. Step 4: Simplify right side
    220,719.74x = 37,736,914,547.00
  5. Step 5: Solve for x
    x = 37,736,914,547.00/220,719.74
  6. Step 6: Final answer
    x = 170,972.09

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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.