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Finding the Fourth Proportional to 98,133.60, 147,200.40 and 48,981.60

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Solution

The fourth proportional to 98,133.60, 147,200.40 and 48,981.60 is: 73,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,133.60 : 147,200.40 = 48,981.60 : x
  2. Step 2: Convert to fraction form
    98,133.60/147,200.40 = 48,981.60/x
  3. Step 3: Cross multiply
    98,133.60x = 147,200.40 × 48,981.60
  4. Step 4: Simplify right side
    98,133.60x = 7,210,111,112.64
  5. Step 5: Solve for x
    x = 7,210,111,112.64/98,133.60
  6. Step 6: Final answer
    x = 73,472.40

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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.