Home / 135,470.41-186,940.93-75,037.53

Finding the Fourth Proportional to 135,470.41, 186,940.93 and 75,037.53

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Solution

The fourth proportional to 135,470.41, 186,940.93 and 75,037.53 is: 103,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,470.41 : 186,940.93 = 75,037.53 : x
  2. Step 2: Convert to fraction form
    135,470.41/186,940.93 = 75,037.53/x
  3. Step 3: Cross multiply
    135,470.41x = 186,940.93 × 75,037.53
  4. Step 4: Simplify right side
    135,470.41x = 14,027,585,643.10
  5. Step 5: Solve for x
    x = 14,027,585,643.10/135,470.41
  6. Step 6: Final answer
    x = 103,547.23

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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.