Home / 197,498.84-272,541.64-112,643.24

Finding the Fourth Proportional to 197,498.84, 272,541.64 and 112,643.24

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Solution

The fourth proportional to 197,498.84, 272,541.64 and 112,643.24 is: 155,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,498.84 : 272,541.64 = 112,643.24 : x
  2. Step 2: Convert to fraction form
    197,498.84/272,541.64 = 112,643.24/x
  3. Step 3: Cross multiply
    197,498.84x = 272,541.64 × 112,643.24
  4. Step 4: Simplify right side
    197,498.84x = 30,699,973,364.51
  5. Step 5: Solve for x
    x = 30,699,973,364.51/197,498.84
  6. Step 6: Final answer
    x = 155,443.82

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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.