Home / 105,337.17-145,336.01-62,880.21

Finding the Fourth Proportional to 105,337.17, 145,336.01 and 62,880.21

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Solution

The fourth proportional to 105,337.17, 145,336.01 and 62,880.21 is: 86,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337.17 : 145,336.01 = 62,880.21 : x
  2. Step 2: Convert to fraction form
    105,337.17/145,336.01 = 62,880.21/x
  3. Step 3: Cross multiply
    105,337.17x = 145,336.01 × 62,880.21
  4. Step 4: Simplify right side
    105,337.17x = 9,138,758,514.96
  5. Step 5: Solve for x
    x = 9,138,758,514.96/105,337.17
  6. Step 6: Final answer
    x = 86,757.21

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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.