Home / 209,051.04-288,479.56-113,557.64

Finding the Fourth Proportional to 209,051.04, 288,479.56 and 113,557.64

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Solution

The fourth proportional to 209,051.04, 288,479.56 and 113,557.64 is: 156,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,051.04 : 288,479.56 = 113,557.64 : x
  2. Step 2: Convert to fraction form
    209,051.04/288,479.56 = 113,557.64/x
  3. Step 3: Cross multiply
    209,051.04x = 288,479.56 × 113,557.64
  4. Step 4: Simplify right side
    209,051.04x = 32,759,058,021.84
  5. Step 5: Solve for x
    x = 32,759,058,021.84/209,051.04
  6. Step 6: Final answer
    x = 156,703.64

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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.