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Finding the Fourth Proportional to 172,360.02, 237,779.08 and 100,707.82

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Solution

The fourth proportional to 172,360.02, 237,779.08 and 100,707.82 is: 138,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.02 : 237,779.08 = 100,707.82 : x
  2. Step 2: Convert to fraction form
    172,360.02/237,779.08 = 100,707.82/x
  3. Step 3: Cross multiply
    172,360.02x = 237,779.08 × 100,707.82
  4. Step 4: Simplify right side
    172,360.02x = 23,946,212,788.41
  5. Step 5: Solve for x
    x = 23,946,212,788.41/172,360.02
  6. Step 6: Final answer
    x = 138,931.36

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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.