Home / 209,394.32-288,957.98-118,758.56

Finding the Fourth Proportional to 209,394.32, 288,957.98 and 118,758.56

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Solution

The fourth proportional to 209,394.32, 288,957.98 and 118,758.56 is: 163,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,394.32 : 288,957.98 = 118,758.56 : x
  2. Step 2: Convert to fraction form
    209,394.32/288,957.98 = 118,758.56/x
  3. Step 3: Cross multiply
    209,394.32x = 288,957.98 × 118,758.56
  4. Step 4: Simplify right side
    209,394.32x = 34,316,232,457.42
  5. Step 5: Solve for x
    x = 34,316,232,457.42/209,394.32
  6. Step 6: Final answer
    x = 163,883.31

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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.