Home / 141,386.50-212,079.75-42,890.50

Finding the Fourth Proportional to 141,386.50, 212,079.75 and 42,890.50

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Solution

The fourth proportional to 141,386.50, 212,079.75 and 42,890.50 is: 64,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,386.50 : 212,079.75 = 42,890.50 : x
  2. Step 2: Convert to fraction form
    141,386.50/212,079.75 = 42,890.50/x
  3. Step 3: Cross multiply
    141,386.50x = 212,079.75 × 42,890.50
  4. Step 4: Simplify right side
    141,386.50x = 9,096,206,517.38
  5. Step 5: Solve for x
    x = 9,096,206,517.38/141,386.50
  6. Step 6: Final answer
    x = 64,335.75

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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.