Home / 209,081.04-288,537.75-118,436.98

Finding the Fourth Proportional to 209,081.04, 288,537.75 and 118,436.98

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Solution

The fourth proportional to 209,081.04, 288,537.75 and 118,436.98 is: 163,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,081.04 : 288,537.75 = 118,436.98 : x
  2. Step 2: Convert to fraction form
    209,081.04/288,537.75 = 118,436.98/x
  3. Step 3: Cross multiply
    209,081.04x = 288,537.75 × 118,436.98
  4. Step 4: Simplify right side
    209,081.04x = 34,173,539,726.00
  5. Step 5: Solve for x
    x = 34,173,539,726.00/209,081.04
  6. Step 6: Final answer
    x = 163,446.38

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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.