Home / 127,200.72-175,528.20-70,607.64

Finding the Fourth Proportional to 127,200.72, 175,528.20 and 70,607.64

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Solution

The fourth proportional to 127,200.72, 175,528.20 and 70,607.64 is: 97,433.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.72 : 175,528.20 = 70,607.64 : x
  2. Step 2: Convert to fraction form
    127,200.72/175,528.20 = 70,607.64/x
  3. Step 3: Cross multiply
    127,200.72x = 175,528.20 × 70,607.64
  4. Step 4: Simplify right side
    127,200.72x = 12,393,631,955.45
  5. Step 5: Solve for x
    x = 12,393,631,955.45/127,200.72
  6. Step 6: Final answer
    x = 97,433.66

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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.