Home / 236,461.92-326,316.15-129,031.62

Finding the Fourth Proportional to 236,461.92, 326,316.15 and 129,031.62

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Solution

The fourth proportional to 236,461.92, 326,316.15 and 129,031.62 is: 178,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,461.92 : 326,316.15 = 129,031.62 : x
  2. Step 2: Convert to fraction form
    236,461.92/326,316.15 = 129,031.62/x
  3. Step 3: Cross multiply
    236,461.92x = 326,316.15 × 129,031.62
  4. Step 4: Simplify right side
    236,461.92x = 42,105,101,466.66
  5. Step 5: Solve for x
    x = 42,105,101,466.66/236,461.92
  6. Step 6: Final answer
    x = 178,062.93

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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.