Home / 208,828.04-288,132.77-127,155.33

Finding the Fourth Proportional to 208,828.04, 288,132.77 and 127,155.33

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Solution

The fourth proportional to 208,828.04, 288,132.77 and 127,155.33 is: 175,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,828.04 : 288,132.77 = 127,155.33 : x
  2. Step 2: Convert to fraction form
    208,828.04/288,132.77 = 127,155.33/x
  3. Step 3: Cross multiply
    208,828.04x = 288,132.77 × 127,155.33
  4. Step 4: Simplify right side
    208,828.04x = 36,637,616,817.39
  5. Step 5: Solve for x
    x = 36,637,616,817.39/208,828.04
  6. Step 6: Final answer
    x = 175,443.96

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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.