Home / 157,834.12-236,748.78-47,026.12

Finding the Fourth Proportional to 157,834.12, 236,748.78 and 47,026.12

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Solution

The fourth proportional to 157,834.12, 236,748.78 and 47,026.12 is: 70,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,834.12 : 236,748.78 = 47,026.12 : x
  2. Step 2: Convert to fraction form
    157,834.12/236,748.78 = 47,026.12/x
  3. Step 3: Cross multiply
    157,834.12x = 236,748.78 × 47,026.12
  4. Step 4: Simplify right side
    157,834.12x = 11,133,376,538.13
  5. Step 5: Solve for x
    x = 11,133,376,538.13/157,834.12
  6. Step 6: Final answer
    x = 70,538.46

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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.