Home / 172,386.90-237,922.38-100,752.93

Finding the Fourth Proportional to 172,386.90, 237,922.38 and 100,752.93

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Solution

The fourth proportional to 172,386.90, 237,922.38 and 100,752.93 is: 139,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,386.90 : 237,922.38 = 100,752.93 : x
  2. Step 2: Convert to fraction form
    172,386.90/237,922.38 = 100,752.93/x
  3. Step 3: Cross multiply
    172,386.90x = 237,922.38 × 100,752.93
  4. Step 4: Simplify right side
    172,386.90x = 23,971,376,897.57
  5. Step 5: Solve for x
    x = 23,971,376,897.57/172,386.90
  6. Step 6: Final answer
    x = 139,055.68

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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.