Home / 124,838.10-187,374.60-65,716.20

Finding the Fourth Proportional to 124,838.10, 187,374.60 and 65,716.20

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Solution

The fourth proportional to 124,838.10, 187,374.60 and 65,716.20 is: 98,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.10 : 187,374.60 = 65,716.20 : x
  2. Step 2: Convert to fraction form
    124,838.10/187,374.60 = 65,716.20/x
  3. Step 3: Cross multiply
    124,838.10x = 187,374.60 × 65,716.20
  4. Step 4: Simplify right side
    124,838.10x = 12,313,546,688.52
  5. Step 5: Solve for x
    x = 12,313,546,688.52/124,838.10
  6. Step 6: Final answer
    x = 98,636.13

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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.