Home / 197,688.44-272,829.59-112,818.26

Finding the Fourth Proportional to 197,688.44, 272,829.59 and 112,818.26

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Solution

The fourth proportional to 197,688.44, 272,829.59 and 112,818.26 is: 155,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,688.44 : 272,829.59 = 112,818.26 : x
  2. Step 2: Convert to fraction form
    197,688.44/272,829.59 = 112,818.26/x
  3. Step 3: Cross multiply
    197,688.44x = 272,829.59 × 112,818.26
  4. Step 4: Simplify right side
    197,688.44x = 30,780,157,692.07
  5. Step 5: Solve for x
    x = 30,780,157,692.07/197,688.44
  6. Step 6: Final answer
    x = 155,700.35

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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.