Home / 141,415.02-195,152.76-77,757.12

Finding the Fourth Proportional to 141,415.02, 195,152.76 and 77,757.12

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Solution

The fourth proportional to 141,415.02, 195,152.76 and 77,757.12 is: 107,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,415.02 : 195,152.76 = 77,757.12 : x
  2. Step 2: Convert to fraction form
    141,415.02/195,152.76 = 77,757.12/x
  3. Step 3: Cross multiply
    141,415.02x = 195,152.76 × 77,757.12
  4. Step 4: Simplify right side
    141,415.02x = 15,174,516,577.65
  5. Step 5: Solve for x
    x = 15,174,516,577.65/141,415.02
  6. Step 6: Final answer
    x = 107,304.84

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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.