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Finding the Fourth Proportional to 102,000.30, 153,000.45 and 60,528.30

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Solution

The fourth proportional to 102,000.30, 153,000.45 and 60,528.30 is: 90,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,000.30 : 153,000.45 = 60,528.30 : x
  2. Step 2: Convert to fraction form
    102,000.30/153,000.45 = 60,528.30/x
  3. Step 3: Cross multiply
    102,000.30x = 153,000.45 × 60,528.30
  4. Step 4: Simplify right side
    102,000.30x = 9,260,857,137.74
  5. Step 5: Solve for x
    x = 9,260,857,137.74/102,000.30
  6. Step 6: Final answer
    x = 90,792.45

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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.