Home / 143,179.04-197,685.90-89,488.16

Finding the Fourth Proportional to 143,179.04, 197,685.90 and 89,488.16

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Solution

The fourth proportional to 143,179.04, 197,685.90 and 89,488.16 is: 123,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,179.04 : 197,685.90 = 89,488.16 : x
  2. Step 2: Convert to fraction form
    143,179.04/197,685.90 = 89,488.16/x
  3. Step 3: Cross multiply
    143,179.04x = 197,685.90 × 89,488.16
  4. Step 4: Simplify right side
    143,179.04x = 17,690,547,448.94
  5. Step 5: Solve for x
    x = 17,690,547,448.94/143,179.04
  6. Step 6: Final answer
    x = 123,555.43

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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.