Home / 88,256.21-121,794.38-47,970.07

Finding the Fourth Proportional to 88,256.21, 121,794.38 and 47,970.07

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Solution

The fourth proportional to 88,256.21, 121,794.38 and 47,970.07 is: 66,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.21 : 121,794.38 = 47,970.07 : x
  2. Step 2: Convert to fraction form
    88,256.21/121,794.38 = 47,970.07/x
  3. Step 3: Cross multiply
    88,256.21x = 121,794.38 × 47,970.07
  4. Step 4: Simplify right side
    88,256.21x = 5,842,484,749.65
  5. Step 5: Solve for x
    x = 5,842,484,749.65/88,256.21
  6. Step 6: Final answer
    x = 66,199.14

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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.