Home / 151,799.04-209,479.68-84,729.60

Finding the Fourth Proportional to 151,799.04, 209,479.68 and 84,729.60

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Solution

The fourth proportional to 151,799.04, 209,479.68 and 84,729.60 is: 116,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,799.04 : 209,479.68 = 84,729.60 : x
  2. Step 2: Convert to fraction form
    151,799.04/209,479.68 = 84,729.60/x
  3. Step 3: Cross multiply
    151,799.04x = 209,479.68 × 84,729.60
  4. Step 4: Simplify right side
    151,799.04x = 17,749,129,494.53
  5. Step 5: Solve for x
    x = 17,749,129,494.53/151,799.04
  6. Step 6: Final answer
    x = 116,925.18

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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.