Home / 145,708.47-218,433.04-56,941.79

Finding the Fourth Proportional to 145,708.47, 218,433.04 and 56,941.79

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Solution

The fourth proportional to 145,708.47, 218,433.04 and 56,941.79 is: 85,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,708.47 : 218,433.04 = 56,941.79 : x
  2. Step 2: Convert to fraction form
    145,708.47/218,433.04 = 56,941.79/x
  3. Step 3: Cross multiply
    145,708.47x = 218,433.04 × 56,941.79
  4. Step 4: Simplify right side
    145,708.47x = 12,437,967,058.22
  5. Step 5: Solve for x
    x = 12,437,967,058.22/145,708.47
  6. Step 6: Final answer
    x = 85,362.00

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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.