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Finding the Fourth Proportional to 98,222.80, 147,334.20 and 94,334.80

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Solution

The fourth proportional to 98,222.80, 147,334.20 and 94,334.80 is: 141,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,222.80 : 147,334.20 = 94,334.80 : x
  2. Step 2: Convert to fraction form
    98,222.80/147,334.20 = 94,334.80/x
  3. Step 3: Cross multiply
    98,222.80x = 147,334.20 × 94,334.80
  4. Step 4: Simplify right side
    98,222.80x = 13,898,742,290.16
  5. Step 5: Solve for x
    x = 13,898,742,290.16/98,222.80
  6. Step 6: Final answer
    x = 141,502.20

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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.