Home / 102,370.12-141,357.98-64,193.84

Finding the Fourth Proportional to 102,370.12, 141,357.98 and 64,193.84

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Solution

The fourth proportional to 102,370.12, 141,357.98 and 64,193.84 is: 88,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,370.12 : 141,357.98 = 64,193.84 : x
  2. Step 2: Convert to fraction form
    102,370.12/141,357.98 = 64,193.84/x
  3. Step 3: Cross multiply
    102,370.12x = 141,357.98 × 64,193.84
  4. Step 4: Simplify right side
    102,370.12x = 9,074,311,550.84
  5. Step 5: Solve for x
    x = 9,074,311,550.84/102,370.12
  6. Step 6: Final answer
    x = 88,642.19

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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.