Home / 145,946.13-218,927.85-40,765.11

Finding the Fourth Proportional to 145,946.13, 218,927.85 and 40,765.11

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Solution

The fourth proportional to 145,946.13, 218,927.85 and 40,765.11 is: 61,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.13 : 218,927.85 = 40,765.11 : x
  2. Step 2: Convert to fraction form
    145,946.13/218,927.85 = 40,765.11/x
  3. Step 3: Cross multiply
    145,946.13x = 218,927.85 × 40,765.11
  4. Step 4: Simplify right side
    145,946.13x = 8,924,617,887.31
  5. Step 5: Solve for x
    x = 8,924,617,887.31/145,946.13
  6. Step 6: Final answer
    x = 61,150.08

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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.