Home / 211,957.23-292,428.63-131,355.35

Finding the Fourth Proportional to 211,957.23, 292,428.63 and 131,355.35

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Solution

The fourth proportional to 211,957.23, 292,428.63 and 131,355.35 is: 181,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,957.23 : 292,428.63 = 131,355.35 : x
  2. Step 2: Convert to fraction form
    211,957.23/292,428.63 = 131,355.35/x
  3. Step 3: Cross multiply
    211,957.23x = 292,428.63 × 131,355.35
  4. Step 4: Simplify right side
    211,957.23x = 38,412,063,581.53
  5. Step 5: Solve for x
    x = 38,412,063,581.53/211,957.23
  6. Step 6: Final answer
    x = 181,225.54

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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.