Home / 145,810.10-218,688.15-40,607.30

Finding the Fourth Proportional to 145,810.10, 218,688.15 and 40,607.30

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Solution

The fourth proportional to 145,810.10, 218,688.15 and 40,607.30 is: 60,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,810.10 : 218,688.15 = 40,607.30 : x
  2. Step 2: Convert to fraction form
    145,810.10/218,688.15 = 40,607.30/x
  3. Step 3: Cross multiply
    145,810.10x = 218,688.15 × 40,607.30
  4. Step 4: Simplify right side
    145,810.10x = 8,880,335,313.50
  5. Step 5: Solve for x
    x = 8,880,335,313.50/145,810.10
  6. Step 6: Final answer
    x = 60,903.43

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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.