Home / 209,225.04-288,736.86-118,581.18

Finding the Fourth Proportional to 209,225.04, 288,736.86 and 118,581.18

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Solution

The fourth proportional to 209,225.04, 288,736.86 and 118,581.18 is: 163,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,225.04 : 288,736.86 = 118,581.18 : x
  2. Step 2: Convert to fraction form
    209,225.04/288,736.86 = 118,581.18/x
  3. Step 3: Cross multiply
    209,225.04x = 288,736.86 × 118,581.18
  4. Step 4: Simplify right side
    209,225.04x = 34,238,757,568.29
  5. Step 5: Solve for x
    x = 34,238,757,568.29/209,225.04
  6. Step 6: Final answer
    x = 163,645.60

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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.