Home / 157,045.13-216,625.08-136,950.24

Finding the Fourth Proportional to 157,045.13, 216,625.08 and 136,950.24

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Solution

The fourth proportional to 157,045.13, 216,625.08 and 136,950.24 is: 188,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,045.13 : 216,625.08 = 136,950.24 : x
  2. Step 2: Convert to fraction form
    157,045.13/216,625.08 = 136,950.24/x
  3. Step 3: Cross multiply
    157,045.13x = 216,625.08 × 136,950.24
  4. Step 4: Simplify right side
    157,045.13x = 29,666,858,021.93
  5. Step 5: Solve for x
    x = 29,666,858,021.93/157,045.13
  6. Step 6: Final answer
    x = 188,906.58

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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.