Home / 209,237.13-288,741.15-118,601.43

Finding the Fourth Proportional to 209,237.13, 288,741.15 and 118,601.43

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Solution

The fourth proportional to 209,237.13, 288,741.15 and 118,601.43 is: 163,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,237.13 : 288,741.15 = 118,601.43 : x
  2. Step 2: Convert to fraction form
    209,237.13/288,741.15 = 118,601.43/x
  3. Step 3: Cross multiply
    209,237.13x = 288,741.15 × 118,601.43
  4. Step 4: Simplify right side
    209,237.13x = 34,245,113,289.84
  5. Step 5: Solve for x
    x = 34,245,113,289.84/209,237.13
  6. Step 6: Final answer
    x = 163,666.52

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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.