Home / 209,155.04-288,633.16-118,528.26

Finding the Fourth Proportional to 209,155.04, 288,633.16 and 118,528.26

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Solution

The fourth proportional to 209,155.04, 288,633.16 and 118,528.26 is: 163,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,155.04 : 288,633.16 = 118,528.26 : x
  2. Step 2: Convert to fraction form
    209,155.04/288,633.16 = 118,528.26/x
  3. Step 3: Cross multiply
    209,155.04x = 288,633.16 × 118,528.26
  4. Step 4: Simplify right side
    209,155.04x = 34,211,186,233.10
  5. Step 5: Solve for x
    x = 34,211,186,233.10/209,155.04
  6. Step 6: Final answer
    x = 163,568.55

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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.