Home / 162,421.02-243,376.20-124,935.84

Finding the Fourth Proportional to 162,421.02, 243,376.20 and 124,935.84

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Solution

The fourth proportional to 162,421.02, 243,376.20 and 124,935.84 is: 187,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421.02 : 243,376.20 = 124,935.84 : x
  2. Step 2: Convert to fraction form
    162,421.02/243,376.20 = 124,935.84/x
  3. Step 3: Cross multiply
    162,421.02x = 243,376.20 × 124,935.84
  4. Step 4: Simplify right side
    162,421.02x = 30,406,409,983.01
  5. Step 5: Solve for x
    x = 30,406,409,983.01/162,421.02
  6. Step 6: Final answer
    x = 187,207.36

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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.