Home / 90,193.59-124,365.29-67,459.72

Finding the Fourth Proportional to 90,193.59, 124,365.29 and 67,459.72

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Solution

The fourth proportional to 90,193.59, 124,365.29 and 67,459.72 is: 93,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,193.59 : 124,365.29 = 67,459.72 : x
  2. Step 2: Convert to fraction form
    90,193.59/124,365.29 = 67,459.72/x
  3. Step 3: Cross multiply
    90,193.59x = 124,365.29 × 67,459.72
  4. Step 4: Simplify right side
    90,193.59x = 8,389,648,272.52
  5. Step 5: Solve for x
    x = 8,389,648,272.52/90,193.59
  6. Step 6: Final answer
    x = 93,018.23

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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.