Home / 141,460.90-212,284.82-66,602.45

Finding the Fourth Proportional to 141,460.90, 212,284.82 and 66,602.45

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Solution

The fourth proportional to 141,460.90, 212,284.82 and 66,602.45 is: 99,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,460.90 : 212,284.82 = 66,602.45 : x
  2. Step 2: Convert to fraction form
    141,460.90/212,284.82 = 66,602.45/x
  3. Step 3: Cross multiply
    141,460.90x = 212,284.82 × 66,602.45
  4. Step 4: Simplify right side
    141,460.90x = 14,138,689,109.81
  5. Step 5: Solve for x
    x = 14,138,689,109.81/141,460.90
  6. Step 6: Final answer
    x = 99,947.68

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1.5x scale

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.