Home / 206,088.60-309,075.80-72,951.33

Finding the Fourth Proportional to 206,088.60, 309,075.80 and 72,951.33

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Solution

The fourth proportional to 206,088.60, 309,075.80 and 72,951.33 is: 109,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,088.60 : 309,075.80 = 72,951.33 : x
  2. Step 2: Convert to fraction form
    206,088.60/309,075.80 = 72,951.33/x
  3. Step 3: Cross multiply
    206,088.60x = 309,075.80 × 72,951.33
  4. Step 4: Simplify right side
    206,088.60x = 22,547,490,316.06
  5. Step 5: Solve for x
    x = 22,547,490,316.06/206,088.60
  6. Step 6: Final answer
    x = 109,406.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.