Home / 197,127.90-272,064.69-112,252.86

Finding the Fourth Proportional to 197,127.90, 272,064.69 and 112,252.86

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Solution

The fourth proportional to 197,127.90, 272,064.69 and 112,252.86 is: 154,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,127.90 : 272,064.69 = 112,252.86 : x
  2. Step 2: Convert to fraction form
    197,127.90/272,064.69 = 112,252.86/x
  3. Step 3: Cross multiply
    197,127.90x = 272,064.69 × 112,252.86
  4. Step 4: Simplify right side
    197,127.90x = 30,540,039,557.51
  5. Step 5: Solve for x
    x = 30,540,039,557.51/197,127.90
  6. Step 6: Final answer
    x = 154,925.00

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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.