Home / 145,762.06-218,594.18-55,783.79

Finding the Fourth Proportional to 145,762.06, 218,594.18 and 55,783.79

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Solution

The fourth proportional to 145,762.06, 218,594.18 and 55,783.79 is: 83,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,762.06 : 218,594.18 = 55,783.79 : x
  2. Step 2: Convert to fraction form
    145,762.06/218,594.18 = 55,783.79/x
  3. Step 3: Cross multiply
    145,762.06x = 218,594.18 × 55,783.79
  4. Step 4: Simplify right side
    145,762.06x = 12,194,011,832.34
  5. Step 5: Solve for x
    x = 12,194,011,832.34/145,762.06
  6. Step 6: Final answer
    x = 83,656.97

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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.