Home / 236,720.24-326,684.55-129,291.16

Finding the Fourth Proportional to 236,720.24, 326,684.55 and 129,291.16

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Solution

The fourth proportional to 236,720.24, 326,684.55 and 129,291.16 is: 178,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,720.24 : 326,684.55 = 129,291.16 : x
  2. Step 2: Convert to fraction form
    236,720.24/326,684.55 = 129,291.16/x
  3. Step 3: Cross multiply
    236,720.24x = 326,684.55 × 129,291.16
  4. Step 4: Simplify right side
    236,720.24x = 42,237,424,091.71
  5. Step 5: Solve for x
    x = 42,237,424,091.71/236,720.24
  6. Step 6: Final answer
    x = 178,427.60

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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.