Home / 157,999.30-236,998.95-102,012.10

Finding the Fourth Proportional to 157,999.30, 236,998.95 and 102,012.10

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Solution

The fourth proportional to 157,999.30, 236,998.95 and 102,012.10 is: 153,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,999.30 : 236,998.95 = 102,012.10 : x
  2. Step 2: Convert to fraction form
    157,999.30/236,998.95 = 102,012.10/x
  3. Step 3: Cross multiply
    157,999.30x = 236,998.95 × 102,012.10
  4. Step 4: Simplify right side
    157,999.30x = 24,176,760,587.30
  5. Step 5: Solve for x
    x = 24,176,760,587.30/157,999.30
  6. Step 6: Final answer
    x = 153,018.15

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1.5x scale

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.