Home / 127,878.32-176,468.03-70,520.06

Finding the Fourth Proportional to 127,878.32, 176,468.03 and 70,520.06

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Solution

The fourth proportional to 127,878.32, 176,468.03 and 70,520.06 is: 97,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,878.32 : 176,468.03 = 70,520.06 : x
  2. Step 2: Convert to fraction form
    127,878.32/176,468.03 = 70,520.06/x
  3. Step 3: Cross multiply
    127,878.32x = 176,468.03 × 70,520.06
  4. Step 4: Simplify right side
    127,878.32x = 12,444,536,063.68
  5. Step 5: Solve for x
    x = 12,444,536,063.68/127,878.32
  6. Step 6: Final answer
    x = 97,315.45

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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.