Home / 102,762.12-154,142.70-32,646.90

Finding the Fourth Proportional to 102,762.12, 154,142.70 and 32,646.90

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Solution

The fourth proportional to 102,762.12, 154,142.70 and 32,646.90 is: 48,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.12 : 154,142.70 = 32,646.90 : x
  2. Step 2: Convert to fraction form
    102,762.12/154,142.70 = 32,646.90/x
  3. Step 3: Cross multiply
    102,762.12x = 154,142.70 × 32,646.90
  4. Step 4: Simplify right side
    102,762.12x = 5,032,281,312.63
  5. Step 5: Solve for x
    x = 5,032,281,312.63/102,762.12
  6. Step 6: Final answer
    x = 48,970.20

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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.