Home / 197,446.40-272,446.08-112,559.36

Finding the Fourth Proportional to 197,446.40, 272,446.08 and 112,559.36

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Solution

The fourth proportional to 197,446.40, 272,446.08 and 112,559.36 is: 155,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,446.40 : 272,446.08 = 112,559.36 : x
  2. Step 2: Convert to fraction form
    197,446.40/272,446.08 = 112,559.36/x
  3. Step 3: Cross multiply
    197,446.40x = 272,446.08 × 112,559.36
  4. Step 4: Simplify right side
    197,446.40x = 30,666,356,399.31
  5. Step 5: Solve for x
    x = 30,666,356,399.31/197,446.40
  6. Step 6: Final answer
    x = 155,314.84

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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.