Home / 152,417.68-228,589.80-45,779.20

Finding the Fourth Proportional to 152,417.68, 228,589.80 and 45,779.20

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Solution

The fourth proportional to 152,417.68, 228,589.80 and 45,779.20 is: 68,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,417.68 : 228,589.80 = 45,779.20 : x
  2. Step 2: Convert to fraction form
    152,417.68/228,589.80 = 45,779.20/x
  3. Step 3: Cross multiply
    152,417.68x = 228,589.80 × 45,779.20
  4. Step 4: Simplify right side
    152,417.68x = 10,464,658,172.16
  5. Step 5: Solve for x
    x = 10,464,658,172.16/152,417.68
  6. Step 6: Final answer
    x = 68,657.77

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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.