Home / 127,589.04-176,069.88-70,999.20

Finding the Fourth Proportional to 127,589.04, 176,069.88 and 70,999.20

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Solution

The fourth proportional to 127,589.04, 176,069.88 and 70,999.20 is: 97,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.04 : 176,069.88 = 70,999.20 : x
  2. Step 2: Convert to fraction form
    127,589.04/176,069.88 = 70,999.20/x
  3. Step 3: Cross multiply
    127,589.04x = 176,069.88 × 70,999.20
  4. Step 4: Simplify right side
    127,589.04x = 12,500,820,624.10
  5. Step 5: Solve for x
    x = 12,500,820,624.10/127,589.04
  6. Step 6: Final answer
    x = 97,977.23

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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.