Home / 197,457.84-272,485.08-112,602.24

Finding the Fourth Proportional to 197,457.84, 272,485.08 and 112,602.24

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Solution

The fourth proportional to 197,457.84, 272,485.08 and 112,602.24 is: 155,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,457.84 : 272,485.08 = 112,602.24 : x
  2. Step 2: Convert to fraction form
    197,457.84/272,485.08 = 112,602.24/x
  3. Step 3: Cross multiply
    197,457.84x = 272,485.08 × 112,602.24
  4. Step 4: Simplify right side
    197,457.84x = 30,682,430,374.58
  5. Step 5: Solve for x
    x = 30,682,430,374.58/197,457.84
  6. Step 6: Final answer
    x = 155,387.25

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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.