Home / 145,984.60-218,945.76-46,152.64

Finding the Fourth Proportional to 145,984.60, 218,945.76 and 46,152.64

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Solution

The fourth proportional to 145,984.60, 218,945.76 and 46,152.64 is: 69,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,984.60 : 218,945.76 = 46,152.64 : x
  2. Step 2: Convert to fraction form
    145,984.60/218,945.76 = 46,152.64/x
  3. Step 3: Cross multiply
    145,984.60x = 218,945.76 × 46,152.64
  4. Step 4: Simplify right side
    145,984.60x = 10,104,924,840.81
  5. Step 5: Solve for x
    x = 10,104,924,840.81/145,984.60
  6. Step 6: Final answer
    x = 69,219.12

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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.