Home / 210,235.15-290,080.11-133,726.39

Finding the Fourth Proportional to 210,235.15, 290,080.11 and 133,726.39

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Solution

The fourth proportional to 210,235.15, 290,080.11 and 133,726.39 is: 184,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,235.15 : 290,080.11 = 133,726.39 : x
  2. Step 2: Convert to fraction form
    210,235.15/290,080.11 = 133,726.39/x
  3. Step 3: Cross multiply
    210,235.15x = 290,080.11 × 133,726.39
  4. Step 4: Simplify right side
    210,235.15x = 38,791,365,921.10
  5. Step 5: Solve for x
    x = 38,791,365,921.10/210,235.15
  6. Step 6: Final answer
    x = 184,514.18

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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.