Home / 141,465.14-212,291.20-66,606.70

Finding the Fourth Proportional to 141,465.14, 212,291.20 and 66,606.70

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Solution

The fourth proportional to 141,465.14, 212,291.20 and 66,606.70 is: 99,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.14 : 212,291.20 = 66,606.70 : x
  2. Step 2: Convert to fraction form
    141,465.14/212,291.20 = 66,606.70/x
  3. Step 3: Cross multiply
    141,465.14x = 212,291.20 × 66,606.70
  4. Step 4: Simplify right side
    141,465.14x = 14,140,016,271.04
  5. Step 5: Solve for x
    x = 14,140,016,271.04/141,465.14
  6. Step 6: Final answer
    x = 99,954.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.