Home / 143,590.14-215,417.33-43,758.15

Finding the Fourth Proportional to 143,590.14, 215,417.33 and 43,758.15

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Solution

The fourth proportional to 143,590.14, 215,417.33 and 43,758.15 is: 65,647.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,590.14 : 215,417.33 = 43,758.15 : x
  2. Step 2: Convert to fraction form
    143,590.14/215,417.33 = 43,758.15/x
  3. Step 3: Cross multiply
    143,590.14x = 215,417.33 × 43,758.15
  4. Step 4: Simplify right side
    143,590.14x = 9,426,263,838.74
  5. Step 5: Solve for x
    x = 9,426,263,838.74/143,590.14
  6. Step 6: Final answer
    x = 65,647.01

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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.