Home / 90,156.36-124,374.42-58,335.64

Finding the Fourth Proportional to 90,156.36, 124,374.42 and 58,335.64

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Solution

The fourth proportional to 90,156.36, 124,374.42 and 58,335.64 is: 80,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,156.36 : 124,374.42 = 58,335.64 : x
  2. Step 2: Convert to fraction form
    90,156.36/124,374.42 = 58,335.64/x
  3. Step 3: Cross multiply
    90,156.36x = 124,374.42 × 58,335.64
  4. Step 4: Simplify right side
    90,156.36x = 7,255,461,390.33
  5. Step 5: Solve for x
    x = 7,255,461,390.33/90,156.36
  6. Step 6: Final answer
    x = 80,476.42

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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.