Home / 141,465.84-212,292.24-66,607.39

Finding the Fourth Proportional to 141,465.84, 212,292.24 and 66,607.39

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Solution

The fourth proportional to 141,465.84, 212,292.24 and 66,607.39 is: 99,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.84 : 212,292.24 = 66,607.39 : x
  2. Step 2: Convert to fraction form
    141,465.84/212,292.24 = 66,607.39/x
  3. Step 3: Cross multiply
    141,465.84x = 212,292.24 × 66,607.39
  4. Step 4: Simplify right side
    141,465.84x = 14,140,232,023.65
  5. Step 5: Solve for x
    x = 14,140,232,023.65/141,465.84
  6. Step 6: Final answer
    x = 99,955.10

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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.