Home / 172,428.51-237,949.02-96,977.01

Finding the Fourth Proportional to 172,428.51, 237,949.02 and 96,977.01

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Solution

The fourth proportional to 172,428.51, 237,949.02 and 96,977.01 is: 133,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.51 : 237,949.02 = 96,977.01 : x
  2. Step 2: Convert to fraction form
    172,428.51/237,949.02 = 96,977.01/x
  3. Step 3: Cross multiply
    172,428.51x = 237,949.02 × 96,977.01
  4. Step 4: Simplify right side
    172,428.51x = 23,075,584,492.03
  5. Step 5: Solve for x
    x = 23,075,584,492.03/172,428.51
  6. Step 6: Final answer
    x = 133,826.97

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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.