Home / 151,485.04-209,033.04-83,498.80

Finding the Fourth Proportional to 151,485.04, 209,033.04 and 83,498.80

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Solution

The fourth proportional to 151,485.04, 209,033.04 and 83,498.80 is: 115,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,485.04 : 209,033.04 = 83,498.80 : x
  2. Step 2: Convert to fraction form
    151,485.04/209,033.04 = 83,498.80/x
  3. Step 3: Cross multiply
    151,485.04x = 209,033.04 × 83,498.80
  4. Step 4: Simplify right side
    151,485.04x = 17,454,008,000.35
  5. Step 5: Solve for x
    x = 17,454,008,000.35/151,485.04
  6. Step 6: Final answer
    x = 115,219.35

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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.