Home / 141,518.66-195,214.65-88,434.50

Finding the Fourth Proportional to 141,518.66, 195,214.65 and 88,434.50

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Solution

The fourth proportional to 141,518.66, 195,214.65 and 88,434.50 is: 121,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,518.66 : 195,214.65 = 88,434.50 : x
  2. Step 2: Convert to fraction form
    141,518.66/195,214.65 = 88,434.50/x
  3. Step 3: Cross multiply
    141,518.66x = 195,214.65 × 88,434.50
  4. Step 4: Simplify right side
    141,518.66x = 17,263,709,965.43
  5. Step 5: Solve for x
    x = 17,263,709,965.43/141,518.66
  6. Step 6: Final answer
    x = 121,988.93

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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.