Home / 127,311.08-190,901.02-57,130.24

Finding the Fourth Proportional to 127,311.08, 190,901.02 and 57,130.24

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Solution

The fourth proportional to 127,311.08, 190,901.02 and 57,130.24 is: 85,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.08 : 190,901.02 = 57,130.24 : x
  2. Step 2: Convert to fraction form
    127,311.08/190,901.02 = 57,130.24/x
  3. Step 3: Cross multiply
    127,311.08x = 190,901.02 × 57,130.24
  4. Step 4: Simplify right side
    127,311.08x = 10,906,221,088.84
  5. Step 5: Solve for x
    x = 10,906,221,088.84/127,311.08
  6. Step 6: Final answer
    x = 85,665.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.