Home / 165,030.80-247,643.40-109,032.80

Finding the Fourth Proportional to 165,030.80, 247,643.40 and 109,032.80

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Solution

The fourth proportional to 165,030.80, 247,643.40 and 109,032.80 is: 163,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,030.80 : 247,643.40 = 109,032.80 : x
  2. Step 2: Convert to fraction form
    165,030.80/247,643.40 = 109,032.80/x
  3. Step 3: Cross multiply
    165,030.80x = 247,643.40 × 109,032.80
  4. Step 4: Simplify right side
    165,030.80x = 27,001,253,303.52
  5. Step 5: Solve for x
    x = 27,001,253,303.52/165,030.80
  6. Step 6: Final answer
    x = 163,613.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.