Home / 209,088.02-288,520.62-118,425.88

Finding the Fourth Proportional to 209,088.02, 288,520.62 and 118,425.88

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Solution

The fourth proportional to 209,088.02, 288,520.62 and 118,425.88 is: 163,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088.02 : 288,520.62 = 118,425.88 : x
  2. Step 2: Convert to fraction form
    209,088.02/288,520.62 = 118,425.88/x
  3. Step 3: Cross multiply
    209,088.02x = 288,520.62 × 118,425.88
  4. Step 4: Simplify right side
    209,088.02x = 34,168,308,321.65
  5. Step 5: Solve for x
    x = 34,168,308,321.65/209,088.02
  6. Step 6: Final answer
    x = 163,415.91

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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.