Home / 209,094.76-288,487.20-118,436.32

Finding the Fourth Proportional to 209,094.76, 288,487.20 and 118,436.32

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Solution

The fourth proportional to 209,094.76, 288,487.20 and 118,436.32 is: 163,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,094.76 : 288,487.20 = 118,436.32 : x
  2. Step 2: Convert to fraction form
    209,094.76/288,487.20 = 118,436.32/x
  3. Step 3: Cross multiply
    209,094.76x = 288,487.20 × 118,436.32
  4. Step 4: Simplify right side
    209,094.76x = 34,167,362,335.10
  5. Step 5: Solve for x
    x = 34,167,362,335.10/209,094.76
  6. Step 6: Final answer
    x = 163,406.11

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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.