Home / 154,622.02-213,374.78-90,963.92

Finding the Fourth Proportional to 154,622.02, 213,374.78 and 90,963.92

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Solution

The fourth proportional to 154,622.02, 213,374.78 and 90,963.92 is: 125,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,622.02 : 213,374.78 = 90,963.92 : x
  2. Step 2: Convert to fraction form
    154,622.02/213,374.78 = 90,963.92/x
  3. Step 3: Cross multiply
    154,622.02x = 213,374.78 × 90,963.92
  4. Step 4: Simplify right side
    154,622.02x = 19,409,406,417.94
  5. Step 5: Solve for x
    x = 19,409,406,417.94/154,622.02
  6. Step 6: Final answer
    x = 125,528.09

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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.