Home / 146,547.80-219,821.70-72,666.20

Finding the Fourth Proportional to 146,547.80, 219,821.70 and 72,666.20

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Solution

The fourth proportional to 146,547.80, 219,821.70 and 72,666.20 is: 108,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,547.80 : 219,821.70 = 72,666.20 : x
  2. Step 2: Convert to fraction form
    146,547.80/219,821.70 = 72,666.20/x
  3. Step 3: Cross multiply
    146,547.80x = 219,821.70 × 72,666.20
  4. Step 4: Simplify right side
    146,547.80x = 15,973,607,616.54
  5. Step 5: Solve for x
    x = 15,973,607,616.54/146,547.80
  6. Step 6: Final answer
    x = 108,999.30

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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.