Home / 155,313.63-232,975.61-42,984.45

Finding the Fourth Proportional to 155,313.63, 232,975.61 and 42,984.45

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Solution

The fourth proportional to 155,313.63, 232,975.61 and 42,984.45 is: 64,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,313.63 : 232,975.61 = 42,984.45 : x
  2. Step 2: Convert to fraction form
    155,313.63/232,975.61 = 42,984.45/x
  3. Step 3: Cross multiply
    155,313.63x = 232,975.61 × 42,984.45
  4. Step 4: Simplify right side
    155,313.63x = 10,014,328,459.26
  5. Step 5: Solve for x
    x = 10,014,328,459.26/155,313.63
  6. Step 6: Final answer
    x = 64,478.10

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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.