Home / 272,137.20-375,522.12-157,407.18

Finding the Fourth Proportional to 272,137.20, 375,522.12 and 157,407.18

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Solution

The fourth proportional to 272,137.20, 375,522.12 and 157,407.18 is: 217,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,137.20 : 375,522.12 = 157,407.18 : x
  2. Step 2: Convert to fraction form
    272,137.20/375,522.12 = 157,407.18/x
  3. Step 3: Cross multiply
    272,137.20x = 375,522.12 × 157,407.18
  4. Step 4: Simplify right side
    272,137.20x = 59,109,877,936.82
  5. Step 5: Solve for x
    x = 59,109,877,936.82/272,137.20
  6. Step 6: Final answer
    x = 217,206.17

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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.