Home / 155,128.72-232,693.70-102,526.51

Finding the Fourth Proportional to 155,128.72, 232,693.70 and 102,526.51

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Solution

The fourth proportional to 155,128.72, 232,693.70 and 102,526.51 is: 153,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,128.72 : 232,693.70 = 102,526.51 : x
  2. Step 2: Convert to fraction form
    155,128.72/232,693.70 = 102,526.51/x
  3. Step 3: Cross multiply
    155,128.72x = 232,693.70 × 102,526.51
  4. Step 4: Simplify right side
    155,128.72x = 23,857,272,959.99
  5. Step 5: Solve for x
    x = 23,857,272,959.99/155,128.72
  6. Step 6: Final answer
    x = 153,790.17

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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.