Home / 145,372.68-218,016.90-56,606.40

Finding the Fourth Proportional to 145,372.68, 218,016.90 and 56,606.40

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Solution

The fourth proportional to 145,372.68, 218,016.90 and 56,606.40 is: 84,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,372.68 : 218,016.90 = 56,606.40 : x
  2. Step 2: Convert to fraction form
    145,372.68/218,016.90 = 56,606.40/x
  3. Step 3: Cross multiply
    145,372.68x = 218,016.90 × 56,606.40
  4. Step 4: Simplify right side
    145,372.68x = 12,341,151,848.16
  5. Step 5: Solve for x
    x = 12,341,151,848.16/145,372.68
  6. Step 6: Final answer
    x = 84,893.20

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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.