Home / 141,837.76-212,787.90-42,005.80

Finding the Fourth Proportional to 141,837.76, 212,787.90 and 42,005.80

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Solution

The fourth proportional to 141,837.76, 212,787.90 and 42,005.80 is: 63,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,837.76 : 212,787.90 = 42,005.80 : x
  2. Step 2: Convert to fraction form
    141,837.76/212,787.90 = 42,005.80/x
  3. Step 3: Cross multiply
    141,837.76x = 212,787.90 × 42,005.80
  4. Step 4: Simplify right side
    141,837.76x = 8,938,325,969.82
  5. Step 5: Solve for x
    x = 8,938,325,969.82/141,837.76
  6. Step 6: Final answer
    x = 63,017.96

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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.