Home / 141,867.72-195,774.84-77,337.63

Finding the Fourth Proportional to 141,867.72, 195,774.84 and 77,337.63

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Solution

The fourth proportional to 141,867.72, 195,774.84 and 77,337.63 is: 106,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,867.72 : 195,774.84 = 77,337.63 : x
  2. Step 2: Convert to fraction form
    141,867.72/195,774.84 = 77,337.63/x
  3. Step 3: Cross multiply
    141,867.72x = 195,774.84 × 77,337.63
  4. Step 4: Simplify right side
    141,867.72x = 15,140,762,139.23
  5. Step 5: Solve for x
    x = 15,140,762,139.23/141,867.72
  6. Step 6: Final answer
    x = 106,724.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.