Home / 209,009.48-288,521.15-141,118.31

Finding the Fourth Proportional to 209,009.48, 288,521.15 and 141,118.31

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Solution

The fourth proportional to 209,009.48, 288,521.15 and 141,118.31 is: 194,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,009.48 : 288,521.15 = 141,118.31 : x
  2. Step 2: Convert to fraction form
    209,009.48/288,521.15 = 141,118.31/x
  3. Step 3: Cross multiply
    209,009.48x = 288,521.15 × 141,118.31
  4. Step 4: Simplify right side
    209,009.48x = 40,715,618,966.93
  5. Step 5: Solve for x
    x = 40,715,618,966.93/209,009.48
  6. Step 6: Final answer
    x = 194,802.74

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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.