Home / 141,342.32-195,056.49-77,684.22

Finding the Fourth Proportional to 141,342.32, 195,056.49 and 77,684.22

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Solution

The fourth proportional to 141,342.32, 195,056.49 and 77,684.22 is: 107,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,342.32 : 195,056.49 = 77,684.22 : x
  2. Step 2: Convert to fraction form
    141,342.32/195,056.49 = 77,684.22/x
  3. Step 3: Cross multiply
    141,342.32x = 195,056.49 × 77,684.22
  4. Step 4: Simplify right side
    141,342.32x = 15,152,811,281.59
  5. Step 5: Solve for x
    x = 15,152,811,281.59/141,342.32
  6. Step 6: Final answer
    x = 107,206.47

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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.