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Finding the Fourth Proportional to 110,038.35, 151,856.54 and 62,290.68

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Solution

The fourth proportional to 110,038.35, 151,856.54 and 62,290.68 is: 85,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,038.35 : 151,856.54 = 62,290.68 : x
  2. Step 2: Convert to fraction form
    110,038.35/151,856.54 = 62,290.68/x
  3. Step 3: Cross multiply
    110,038.35x = 151,856.54 × 62,290.68
  4. Step 4: Simplify right side
    110,038.35x = 9,459,246,491.72
  5. Step 5: Solve for x
    x = 9,459,246,491.72/110,038.35
  6. Step 6: Final answer
    x = 85,963.18

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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.