Home / 141,765.31-212,678.48-70,726.15

Finding the Fourth Proportional to 141,765.31, 212,678.48 and 70,726.15

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Solution

The fourth proportional to 141,765.31, 212,678.48 and 70,726.15 is: 106,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.31 : 212,678.48 = 70,726.15 : x
  2. Step 2: Convert to fraction form
    141,765.31/212,678.48 = 70,726.15/x
  3. Step 3: Cross multiply
    141,765.31x = 212,678.48 × 70,726.15
  4. Step 4: Simplify right side
    141,765.31x = 15,041,930,078.25
  5. Step 5: Solve for x
    x = 15,041,930,078.25/141,765.31
  6. Step 6: Final answer
    x = 106,104.45

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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.