Home / 90,207.54-124,500.40-51,445.46

Finding the Fourth Proportional to 90,207.54, 124,500.40 and 51,445.46

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Solution

The fourth proportional to 90,207.54, 124,500.40 and 51,445.46 is: 71,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,207.54 : 124,500.40 = 51,445.46 : x
  2. Step 2: Convert to fraction form
    90,207.54/124,500.40 = 51,445.46/x
  3. Step 3: Cross multiply
    90,207.54x = 124,500.40 × 51,445.46
  4. Step 4: Simplify right side
    90,207.54x = 6,404,980,530.82
  5. Step 5: Solve for x
    x = 6,404,980,530.82/90,207.54
  6. Step 6: Final answer
    x = 71,002.72

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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.