Home / 127,927.68-191,891.52-34,431

Finding the Fourth Proportional to 127,927.68, 191,891.52 and 34,431

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Solution

The fourth proportional to 127,927.68, 191,891.52 and 34,431 is: 51,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,927.68 : 191,891.52 = 34,431 : x
  2. Step 2: Convert to fraction form
    127,927.68/191,891.52 = 34,431/x
  3. Step 3: Cross multiply
    127,927.68x = 191,891.52 × 34,431
  4. Step 4: Simplify right side
    127,927.68x = 6,607,016,925.12
  5. Step 5: Solve for x
    x = 6,607,016,925.12/127,927.68
  6. Step 6: Final answer
    x = 51,646.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.