Home / 215,740.48-297,582.88-143,141.80

Finding the Fourth Proportional to 215,740.48, 297,582.88 and 143,141.80

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Solution

The fourth proportional to 215,740.48, 297,582.88 and 143,141.80 is: 197,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,740.48 : 297,582.88 = 143,141.80 : x
  2. Step 2: Convert to fraction form
    215,740.48/297,582.88 = 143,141.80/x
  3. Step 3: Cross multiply
    215,740.48x = 297,582.88 × 143,141.80
  4. Step 4: Simplify right side
    215,740.48x = 42,596,549,092.38
  5. Step 5: Solve for x
    x = 42,596,549,092.38/215,740.48
  6. Step 6: Final answer
    x = 197,443.47

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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.