Home / 145,637.13-218,463.48-45,805.11

Finding the Fourth Proportional to 145,637.13, 218,463.48 and 45,805.11

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Solution

The fourth proportional to 145,637.13, 218,463.48 and 45,805.11 is: 68,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,637.13 : 218,463.48 = 45,805.11 : x
  2. Step 2: Convert to fraction form
    145,637.13/218,463.48 = 45,805.11/x
  3. Step 3: Cross multiply
    145,637.13x = 218,463.48 × 45,805.11
  4. Step 4: Simplify right side
    145,637.13x = 10,006,742,525.55
  5. Step 5: Solve for x
    x = 10,006,742,525.55/145,637.13
  6. Step 6: Final answer
    x = 68,710.11

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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.