Home / 102,368.22-141,262.31-56,418.74

Finding the Fourth Proportional to 102,368.22, 141,262.31 and 56,418.74

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Solution

The fourth proportional to 102,368.22, 141,262.31 and 56,418.74 is: 77,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,368.22 : 141,262.31 = 56,418.74 : x
  2. Step 2: Convert to fraction form
    102,368.22/141,262.31 = 56,418.74/x
  3. Step 3: Cross multiply
    102,368.22x = 141,262.31 × 56,418.74
  4. Step 4: Simplify right side
    102,368.22x = 7,969,840,551.28
  5. Step 5: Solve for x
    x = 7,969,840,551.28/102,368.22
  6. Step 6: Final answer
    x = 77,854.64

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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.