Home / 104,298.16-143,920.80-64,013.62

Finding the Fourth Proportional to 104,298.16, 143,920.80 and 64,013.62

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Solution

The fourth proportional to 104,298.16, 143,920.80 and 64,013.62 is: 88,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.16 : 143,920.80 = 64,013.62 : x
  2. Step 2: Convert to fraction form
    104,298.16/143,920.80 = 64,013.62/x
  3. Step 3: Cross multiply
    104,298.16x = 143,920.80 × 64,013.62
  4. Step 4: Simplify right side
    104,298.16x = 9,212,891,401.30
  5. Step 5: Solve for x
    x = 9,212,891,401.30/104,298.16
  6. Step 6: Final answer
    x = 88,332.25

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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.