Home / 198,320.04-297,598.28-71,970.16

Finding the Fourth Proportional to 198,320.04, 297,598.28 and 71,970.16

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Solution

The fourth proportional to 198,320.04, 297,598.28 and 71,970.16 is: 107,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,320.04 : 297,598.28 = 71,970.16 : x
  2. Step 2: Convert to fraction form
    198,320.04/297,598.28 = 71,970.16/x
  3. Step 3: Cross multiply
    198,320.04x = 297,598.28 × 71,970.16
  4. Step 4: Simplify right side
    198,320.04x = 21,418,195,827.32
  5. Step 5: Solve for x
    x = 21,418,195,827.32/198,320.04
  6. Step 6: Final answer
    x = 107,998.14

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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.