Home / 172,428.07-237,952.83-96,976.57

Finding the Fourth Proportional to 172,428.07, 237,952.83 and 96,976.57

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Solution

The fourth proportional to 172,428.07, 237,952.83 and 96,976.57 is: 133,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.07 : 237,952.83 = 96,976.57 : x
  2. Step 2: Convert to fraction form
    172,428.07/237,952.83 = 96,976.57/x
  3. Step 3: Cross multiply
    172,428.07x = 237,952.83 × 96,976.57
  4. Step 4: Simplify right side
    172,428.07x = 23,075,849,275.19
  5. Step 5: Solve for x
    x = 23,075,849,275.19/172,428.07
  6. Step 6: Final answer
    x = 133,828.84

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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.