Home / 127,980.08-176,611.30-70,619.92

Finding the Fourth Proportional to 127,980.08, 176,611.30 and 70,619.92

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Solution

The fourth proportional to 127,980.08, 176,611.30 and 70,619.92 is: 97,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,980.08 : 176,611.30 = 70,619.92 : x
  2. Step 2: Convert to fraction form
    127,980.08/176,611.30 = 70,619.92/x
  3. Step 3: Cross multiply
    127,980.08x = 176,611.30 × 70,619.92
  4. Step 4: Simplify right side
    127,980.08x = 12,472,275,877.10
  5. Step 5: Solve for x
    x = 12,472,275,877.10/127,980.08
  6. Step 6: Final answer
    x = 97,454.82

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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.