Home / 220,320.94-304,018.22-124,807.18

Finding the Fourth Proportional to 220,320.94, 304,018.22 and 124,807.18

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Solution

The fourth proportional to 220,320.94, 304,018.22 and 124,807.18 is: 172,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,320.94 : 304,018.22 = 124,807.18 : x
  2. Step 2: Convert to fraction form
    220,320.94/304,018.22 = 124,807.18/x
  3. Step 3: Cross multiply
    220,320.94x = 304,018.22 × 124,807.18
  4. Step 4: Simplify right side
    220,320.94x = 37,943,656,706.82
  5. Step 5: Solve for x
    x = 37,943,656,706.82/220,320.94
  6. Step 6: Final answer
    x = 172,219.93

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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.