Home / 103,532.04-142,684.74-75,188.52

Finding the Fourth Proportional to 103,532.04, 142,684.74 and 75,188.52

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Solution

The fourth proportional to 103,532.04, 142,684.74 and 75,188.52 is: 103,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532.04 : 142,684.74 = 75,188.52 : x
  2. Step 2: Convert to fraction form
    103,532.04/142,684.74 = 75,188.52/x
  3. Step 3: Cross multiply
    103,532.04x = 142,684.74 × 75,188.52
  4. Step 4: Simplify right side
    103,532.04x = 10,728,254,427.18
  5. Step 5: Solve for x
    x = 10,728,254,427.18/103,532.04
  6. Step 6: Final answer
    x = 103,622.55

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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.