Home / 127,130.31-175,441.21-69,767.93

Finding the Fourth Proportional to 127,130.31, 175,441.21 and 69,767.93

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Solution

The fourth proportional to 127,130.31, 175,441.21 and 69,767.93 is: 96,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.31 : 175,441.21 = 69,767.93 : x
  2. Step 2: Convert to fraction form
    127,130.31/175,441.21 = 69,767.93/x
  3. Step 3: Cross multiply
    127,130.31x = 175,441.21 × 69,767.93
  4. Step 4: Simplify right side
    127,130.31x = 12,240,170,322.58
  5. Step 5: Solve for x
    x = 12,240,170,322.58/127,130.31
  6. Step 6: Final answer
    x = 96,280.50

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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.