Home / 145,095.30-217,679.67-70,251.30

Finding the Fourth Proportional to 145,095.30, 217,679.67 and 70,251.30

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Solution

The fourth proportional to 145,095.30, 217,679.67 and 70,251.30 is: 105,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.30 : 217,679.67 = 70,251.30 : x
  2. Step 2: Convert to fraction form
    145,095.30/217,679.67 = 70,251.30/x
  3. Step 3: Cross multiply
    145,095.30x = 217,679.67 × 70,251.30
  4. Step 4: Simplify right side
    145,095.30x = 15,292,279,801.07
  5. Step 5: Solve for x
    x = 15,292,279,801.07/145,095.30
  6. Step 6: Final answer
    x = 105,394.73

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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.