Home / 236,484.49-326,355.51-129,061.42

Finding the Fourth Proportional to 236,484.49, 326,355.51 and 129,061.42

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Solution

The fourth proportional to 236,484.49, 326,355.51 and 129,061.42 is: 178,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,484.49 : 326,355.51 = 129,061.42 : x
  2. Step 2: Convert to fraction form
    236,484.49/326,355.51 = 129,061.42/x
  3. Step 3: Cross multiply
    236,484.49x = 326,355.51 × 129,061.42
  4. Step 4: Simplify right side
    236,484.49x = 42,119,905,545.42
  5. Step 5: Solve for x
    x = 42,119,905,545.42/236,484.49
  6. Step 6: Final answer
    x = 178,108.53

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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.