Home / 127,975.32-176,623.02-77,675.16

Finding the Fourth Proportional to 127,975.32, 176,623.02 and 77,675.16

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Solution

The fourth proportional to 127,975.32, 176,623.02 and 77,675.16 is: 107,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,975.32 : 176,623.02 = 77,675.16 : x
  2. Step 2: Convert to fraction form
    127,975.32/176,623.02 = 77,675.16/x
  3. Step 3: Cross multiply
    127,975.32x = 176,623.02 × 77,675.16
  4. Step 4: Simplify right side
    127,975.32x = 13,719,221,338.18
  5. Step 5: Solve for x
    x = 13,719,221,338.18/127,975.32
  6. Step 6: Final answer
    x = 107,202.09

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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.