Home / 145,277.64-217,937.25-70,336.26

Finding the Fourth Proportional to 145,277.64, 217,937.25 and 70,336.26

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Solution

The fourth proportional to 145,277.64, 217,937.25 and 70,336.26 is: 105,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,277.64 : 217,937.25 = 70,336.26 : x
  2. Step 2: Convert to fraction form
    145,277.64/217,937.25 = 70,336.26/x
  3. Step 3: Cross multiply
    145,277.64x = 217,937.25 × 70,336.26
  4. Step 4: Simplify right side
    145,277.64x = 15,328,891,079.69
  5. Step 5: Solve for x
    x = 15,328,891,079.69/145,277.64
  6. Step 6: Final answer
    x = 105,514.46

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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.