Home / 209,210.04-288,716.13-118,566.18

Finding the Fourth Proportional to 209,210.04, 288,716.13 and 118,566.18

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Solution

The fourth proportional to 209,210.04, 288,716.13 and 118,566.18 is: 163,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,210.04 : 288,716.13 = 118,566.18 : x
  2. Step 2: Convert to fraction form
    209,210.04/288,716.13 = 118,566.18/x
  3. Step 3: Cross multiply
    209,210.04x = 288,716.13 × 118,566.18
  4. Step 4: Simplify right side
    209,210.04x = 34,231,968,638.48
  5. Step 5: Solve for x
    x = 34,231,968,638.48/209,210.04
  6. Step 6: Final answer
    x = 163,624.88

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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.