Home / 142,037.95-195,929.73-91,032.55

Finding the Fourth Proportional to 142,037.95, 195,929.73 and 91,032.55

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Solution

The fourth proportional to 142,037.95, 195,929.73 and 91,032.55 is: 125,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,037.95 : 195,929.73 = 91,032.55 : x
  2. Step 2: Convert to fraction form
    142,037.95/195,929.73 = 91,032.55/x
  3. Step 3: Cross multiply
    142,037.95x = 195,929.73 × 91,032.55
  4. Step 4: Simplify right side
    142,037.95x = 17,835,982,942.71
  5. Step 5: Solve for x
    x = 17,835,982,942.71/142,037.95
  6. Step 6: Final answer
    x = 125,571.95

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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.