Home / 149,045.20-223,607.40-64,769.20

Finding the Fourth Proportional to 149,045.20, 223,607.40 and 64,769.20

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Solution

The fourth proportional to 149,045.20, 223,607.40 and 64,769.20 is: 97,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,045.20 : 223,607.40 = 64,769.20 : x
  2. Step 2: Convert to fraction form
    149,045.20/223,607.40 = 64,769.20/x
  3. Step 3: Cross multiply
    149,045.20x = 223,607.40 × 64,769.20
  4. Step 4: Simplify right side
    149,045.20x = 14,482,872,412.08
  5. Step 5: Solve for x
    x = 14,482,872,412.08/149,045.20
  6. Step 6: Final answer
    x = 97,171.01

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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.