Home / 152,875.20-229,312.80-40,555.20

Finding the Fourth Proportional to 152,875.20, 229,312.80 and 40,555.20

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Solution

The fourth proportional to 152,875.20, 229,312.80 and 40,555.20 is: 60,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,875.20 : 229,312.80 = 40,555.20 : x
  2. Step 2: Convert to fraction form
    152,875.20/229,312.80 = 40,555.20/x
  3. Step 3: Cross multiply
    152,875.20x = 229,312.80 × 40,555.20
  4. Step 4: Simplify right side
    152,875.20x = 9,299,826,466.56
  5. Step 5: Solve for x
    x = 9,299,826,466.56/152,875.20
  6. Step 6: Final answer
    x = 60,832.80

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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.