Home / 127,878.28-176,467.98-70,520.02

Finding the Fourth Proportional to 127,878.28, 176,467.98 and 70,520.02

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Solution

The fourth proportional to 127,878.28, 176,467.98 and 70,520.02 is: 97,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,878.28 : 176,467.98 = 70,520.02 : x
  2. Step 2: Convert to fraction form
    127,878.28/176,467.98 = 70,520.02/x
  3. Step 3: Cross multiply
    127,878.28x = 176,467.98 × 70,520.02
  4. Step 4: Simplify right side
    127,878.28x = 12,444,525,037.79
  5. Step 5: Solve for x
    x = 12,444,525,037.79/127,878.28
  6. Step 6: Final answer
    x = 97,315.39

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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.