Home / 170,291.04-235,029.60-129,928.48

Finding the Fourth Proportional to 170,291.04, 235,029.60 and 129,928.48

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Solution

The fourth proportional to 170,291.04, 235,029.60 and 129,928.48 is: 179,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,291.04 : 235,029.60 = 129,928.48 : x
  2. Step 2: Convert to fraction form
    170,291.04/235,029.60 = 129,928.48/x
  3. Step 3: Cross multiply
    170,291.04x = 235,029.60 × 129,928.48
  4. Step 4: Simplify right side
    170,291.04x = 30,537,038,683.01
  5. Step 5: Solve for x
    x = 30,537,038,683.01/170,291.04
  6. Step 6: Final answer
    x = 179,322.64

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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.