Home / 236,852.76-326,852.91-129,420.48

Finding the Fourth Proportional to 236,852.76, 326,852.91 and 129,420.48

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Solution

The fourth proportional to 236,852.76, 326,852.91 and 129,420.48 is: 178,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,852.76 : 326,852.91 = 129,420.48 : x
  2. Step 2: Convert to fraction form
    236,852.76/326,852.91 = 129,420.48/x
  3. Step 3: Cross multiply
    236,852.76x = 326,852.91 × 129,420.48
  4. Step 4: Simplify right side
    236,852.76x = 42,301,460,501.60
  5. Step 5: Solve for x
    x = 42,301,460,501.60/236,852.76
  6. Step 6: Final answer
    x = 178,598.13

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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.